Method of producing cephalosporin derivatives or their easily hydrolyzable esters or their salts wit

专利摘要:
METHOD FOR OBTAINING DERIVATIVES OF CEFALOSPORIN OR THEIR EASILY PROTECTION OF COMPLEX ETHERS OR THEIR SALTS BY ALKALI METALS of the Formula I SShN-, 1 N CH2-X-R3 ORt COOH-j,. substituted by bromine atom, carboxymethyl, ethoxycarbonyl, benzyl, benzoyl, 1-hydroxyhexadecypane, cyclododecyloxycarbonyl; K .. a hydrogen atom, a residue of an easily hydrolysable ester group, or an alkali metal cation, such as sodium, straight or branched C, -Sph alkyl, possibly interrupted oxygen atom, allyl or benzyl X - oxygen atom or sulfur or sulfinyl {G1-O or 1, characterized in that the compound of formula JL
公开号:SU1194279A3
申请号:SU813248459
申请日:1981-02-17
公开日:1985-11-23
发明作者:Эймэ Рене；Пронин Дидье
申请人:Руссель-Юклаф (Фирма)；
IPC主号:

专利说明:

hydroxycarbonylmethyl ester in a pro-acid or its complex, an easily hydrote carboxymethyl ester and an extractable ester (or its salt with an alkali) target product in the form of a free metal, such as sodium.
1194279
one
This invention relates to a method for producing new cephalosporin antibiotics, namely, new cephalosporin derivatives or their easily hydrolyzable esters or their salts with alkali metals, which have antimicrobial activity and can be used in medicine
The purpose of the invention is to obtain new antibiotics of the cephalosporin series, possessing increased activity against both gram-positive and gram-negative bacteria, including those resistant to limestone antibiotics.
Example 1. 3-Methoxymethyl-7- 2- (2-aminothiazol-4-Sh1) -2- (hydroxyimino) acetamido-cef-3-em-4-carboxylic acid, syn-isomer.
Stage A: p-toluenesulfonic 2- (2-tritylaminothiazol-4-pcs) -2- (1-methyl-1-methoxyethoxyimino) acetic anhydride, syn-isomer.
3.01 g of the salt of triztilamine 2- (2-tritylaminothiaz1-4-yl) -2- (1-methyl-1-methoxyethoxyimino) acetic acid, syn-isomer, are suspended in 15 cm of acetone. 1.05 g of tosyl chloride is added and stirred for 1.5 hours. 20 cm of ethyl ether are added to the mixture, cooled to, filtered off with suction, washed with ether and 2.90 g of product are obtained consisting of the target anhydride and triethylamine hydrochloride.
Stage B: methoxymethyl-7-C2- (2-tritylaminothiazol-4-yl) -2- (1-methyl-1-methoxy) -ethoxyimino / -acetamido --cef-3-em-4-carboxylic acid, synisomer.
0.732 g of 7-amino-3-methoxymethyl-ceph-3-em-4-carboxylic acid is dissolved in 10 cm of methylene chloride and 0.84 cm of triethylamine, cooled to -20 ° C and 2.4 g of the product obtained in stage A are added the mixture, allowed to rise to room temperature, add 0.5 cm of acetic acid, washed
2
water, dried, concentrated to dryness, triturated with ethyl ether, sucked off and 3.07 g of crude product are obtained, which is recrystallized in methanol to obtain 1.21 g of the intended product.
NMR (CDCl1) h / mpn: 1.52 (double CHj); 3.22-3.25 (-O-CHP, 3.45 (-CHjS); 4.25 (-CHjOMe), 4.99 (d, oj 5; H6) i 5.73 (dd, J 5, J 8; H7); 6.70 (Hr of thiazole, sii); 7.28 (-C0z).
Stage B: 3-methoxymethyl-7- 2- (2-aminothiazol-4-yl) -2-hydroxyimino5 adetamido-cef-3-em-4-carboxylic acid, syn-isomer.
At 45-50, the mixture is stirred for 10 minutes with 1.1 g of the obtained product with 5 cm of aqueous formic acid6. you add 2 cm of water, suction off, the filtrate is concentrated to dryness under reduced pressure ttpk, distilled water is ethanol. The residue is crystallized in vrde. Suction is carried out and 5 to obtain 0.54 g of crude product, which is dissolved with triethylamine in 5 cm of 50% aqueous ethanol. The acid is acidified to pH 2-3 by addition of formic acid, the crystallized product is sucked off, passed through ethanol, and then with e4ir, and 0.44 g of solvate is obtained.
Calculated,%: C-39.9; H 3.82N 16.58; S 15.18.
- Curr, -1 / 2 N., 0 (mol.m. 422.43).
Found,%: C 40.0-, H 4.0, N 16.1; S 14,8,
IR spectrum (liquid paraffin), cm: 1757 (i, -pactam-) 1637-1638 (,) -, 1605-1572-1488 (aromatic compound).
UV spectrum (EtOH, HC1 0.1 N.). Bend 220 MMK, E 288; Lm ks. 262 MMK, E 421,. 17400
Nuclear Magnetic Resonance Spectrum (DMSO), ppm: 3.20 (OSI); 3.50 (S-CHz); 4.17 (CH2O) 5.14 (d: J 5, Nb); 5.77 (dd-, J 5, / 8; H7) -, 6.65 (Well thiazole), 7.1 (NHj) -, 9.43 (d: J 8, NHCO). Example 2. 3-methoxymethyl-7- 2- (2-aminothiazol-4-sh1) -2-hydroxyimoacetamido-cef-3-em-4-carboxylic acid 1-oxopropoxy-methyl 3-methoxymethyl ester, syn-isomer. Stage A: 1-oxopropoxymethyl 3-methoxymethyl-1-7-2- (2-tritylaminothiazol-4-yl) -2 - / (1-methyl-1-methoxy) -etoxymymino / acetamide to}-cef-3-ester -4-carboxylic acid, syn-isomer. 4.15 g of 3-methoxymethyl-7- 2- (2-tritylaminothiazol-4-yl) -2 -. ((1-methoxymethyl) -ethoxyimino) acetamido-ceph-3-em-4- is dissolved at room temperature. carboxylic acid, syn-isomer, and 0.456 g of dry potassium carbonate in 14 cm. of anhydrous dimethylformamide. The mixture is cooled to 0 C, the suspension of propionic acid iodomethyl ester prepared as indicated below is introduced for 10 minutes and stirred for 30 minutes at OC, and then 30 minutes at 20 ° C. The reaction medium is poured into a mixture consisting of 340 cm of water, 17 cm of a normal aqueous solution of sodium bicarbonate and 50 cm of ethyl acetate. It is stirred, decanted, extracted with ethyl acetate, washed with water, dried, and concentrated to dryness under reduced pressure at a temperature below. The residue is taken up in 25 cm of isopropyl ether and 4.42 g of the expected product is filtered off with suction. NMR (CDCl1) ppm: 1.15 (t, J 7); 2.40 (q, J 7, CzH 5) -, 3.34 (OCHj) 3.55 (5 SCH2) i 4.33 (CH OCH 5.05 (d, J 5i H6); 6.71 (Hj syn-thiazole)) 7.33 (trityl). Preparation of propionic acid iodomethyl ester. 1.4 g of chlorophenyl ester of propionic acid, 1.71 g of sodium iodide and 23 cm of anhydrous acetone are heated under reflux for 10 minutes. A suspension is obtained which is consumed immediately. Stage B: 1-oxopropoxymethyl, 1-ester of 3-methoxymethyl 1-7 2- (2-aminothiazol-4-yl) -2-hydroxyiminoacetamido - cef-3-em-4-carboxylic acid, syn-isomer. For 15 minutes at 45-50 ° C, 4.37 g of the product obtained are stirred in 22 cm of a 65% aqueous 9 solution of formic acid. Diluted with 90 cm of hot water, sucked off and the filtrate is distilled off under reduced pressure at a temperature below. The residue is taken up in 100 cm of methylene chloride, washed with a diluted to 1/10 saturated solution of sodium chloride and 7 cm of a normal solution of sodium bicarbonate, and then diluted to 1/10 with a saturated solution of sodium chloride. The organic layer is dried, distilled to dryness under reduced pressure, and the residue is taken in. 100 cm of ethyl ether, sucked off and 2.10 g of final product are obtained. Take it in 15 cm of ethyl acetate, stirred for 30 minutes, sucked off, rinsed with ethyl acetate, and then with ethyl ether and receive. 1.69 g of product. 1.57 g of this product is dissolved in 15 cm of methylene chloride, filtered, distilled under reduced pressure, the residue is taken up in 10 cm of ethyl acetate, stirred for 30 minutes, sucked off, rinsed with ethyl acetate, and then ether and get 1 , 29 g of the desired product () D + 52 ± 1i С 1.5% DMSO. NMR (CDCl1) ppm: 1.13 (t; J 7); 2.41 (q; J 7; 0.4) 1 3.30. (OCH,)., 3.53 (SCHjh 4.3 (CHj-OCHpV 5.02 (d; 5i H6) i 6.92 (Hj thiazole, syn). Example 3. 3-Methoxymethyl-7-C 2- (2-aminothiazol-4-yl) -2-methoxyiminoacetamido} -cef-3-em-4-carboxylic acid, syn-isomer. Step A: g -toluene-2-2-tritylaminothiazol-4-yl) -2- methoxyiminoacetic anhydride, synisomer: 1.80 g of triethnpaminavoy salt of 2- (2-tritylaminothiazol-4-1sh) -2-methoxyiminoacetic acid, syn-isomer, and 0.63 g of tosyl chloride in 20 cm of anhydrous acetone are mixed. A suspension is obtained and used immediately in the next stage. Stalin B: 3-methoxy methyl 7- 2- (2-tritylaminothiazol-4-yl) -2-methyciminoacetamido 3 cef-3-em-4-carboxylic acid, syn-isomer. Prepare the next solution at 20 ° C at
 . -5 stirring in an inert atmosphere:
0.732 g of 3-methoxymethyl-7-amino-cef-3-em-4-carboxylic acid, 6.6 cm of a sodium bicarbonate molar solution and 3.4 cm of water. Cool the mixed anhydride suspension obtained in Stage A before and after 5 minutes. Stir for 1 hour at and then 1 hour at. The insoluble material is filtered off and the acetone is distilled under reduced pressure at a maximum of 30 ° C. Acidified with an addition of 0.7 cm of formic acid, extracted with methylene chloride, washed with water, dried, and concentrated to reduced pressure. The residue is taken up in 10 cm of ethyl ether, decanted, and 1.75 g of product is obtained, which is used in this form in the next step. . ,
Stage B: 3-methoxymethyl-7- 2- (2-aminothiazol-4-Sh1) -2-methoxyiminoacetamido D-cef-3-em-4-carboxylic acid, syn-isomer.
At 45-50 ° C in an inert atmosphere, 1.07 g of the product obtained at the previous stage and 8.4 cm of 66% aqueous formic acid are stirred for 12 minutes, at 45-50 6, 3.4 cm of water are added and the mixture is immediately sucked off . The filtrate is distilled under reduced pressure, dried by distillation with ethanol, and the dry extract is triturated with 10 cm of water. It is sucked off, rinsed with water and then with ethyl ether, and 0.436 g of the desired product is recovered. After purification, 0.111 g of identical prod: cta is recovered from the mother liquors. 0.542 g of this product is taken up in 5.5 cm of water for 1 hour. Sucked off, rinsed with water and then ether, and 0.453 g of product is obtained, which is concentrated in acetone. Sucked off, dried, and 0.379 g of product was crawled. This product is taken in 10 cm of water. 0.83 cm of a sodium bicarbonate molar solution is added slowly, diluted with 1 cm of a 2 M solution of sodium chloride, sucked off, rinsed with water. The filtrate is acidified with 0.5 cm 2 n. hydrochloric acid solution to pH 3, sucked off, rinsed with water, ether, concentrated by acetone and get 0,227 g of purified product.
Calculated,%: C 42.15; H 4.01; N 16.38; S 15.00.
94279 "
  (mol.m. 427,459). Found,%: C 42i H 3.9; N.15.8, S 15.2.
IR spectrum (liquid paraffin), G: 1756 (D-lactam) i 1660 (a
(amide)
H Sog
1637
Resist
N J 1623
+ amide 11 1562
-one
Soo
1031
The UV spectrum of EtOH is HCl / 10. Bend 244 MMK, E 355; D ..- .. 262 MMK, E; 437, 18700.
Nuclear Magnetic Resonance Spectrum (DMSO), h / min: 3.22 (OCHz)} 3.85 (N-0-CHj) -, 3.53 (CHjS); 4.18 (CHjOCHj), -5.14 (d; J 5; H6) 05.76 (d, di J-5, J 8; H7); 6.76 (Well thiazole, syn), 9.60 (dj J 8J NHCO).
Example 4. 3-Methylthiomethyl-7- 2- (2-aminothiazol-4-sh1) -2-hydro5 syiminoacetamido}-cef-3-em-4-carboxylic acid, syn-isomer.
Stage A: 3-methylthiomethyl-7- 2- (2-tritylaminothiazol-4-yl) 2- ((1-methyl-1-methoxy) -ethoxyimino) acet amidoZ-cef-1-3-em-4- carboxylic acid, syn-isomer.
2.60 g of 3-methylthiomethyl-7-aminoceph-3-em-4-carboxylic acid are mixed, 37.5 cm of methylene chloride
and 2.8 cm of triethylamine, cooled to, and 9.5 g of para-toluenesulfonic 2- (2-tritylaminothiazol-4-yl) -2 - :( 1-methyl-1-methoxyethoxyimino) acetic anhydride were added, obtained as indicated in Stages A of Example 1. Stir for 2 hours, acidify with 1.75 cm of acetic acid, wash the organic layer with water, and dry.
r and concentrate to dry under reduced pressure. The residue is taken in 50 cm of ethyl ether, sucked off, rinsed with ether and receive 8.45 g of crude product. Take away. it in 45 cm of methanol and stirred for 30 minutes. Crystallization is seeded, filtered off with suction, rinsed with methanol and then with ethyl ether, and 5.2 g of the expected product are obtained.
NMR (CDCI,), ppm: 1.85 (CHjS) -; 5.05 (d; J 5; H6) -, 5.70 (d, d, J 5, J 8, H7) -, 6.71 (Well, thiazole, syn), 7.28-trityl. Stage B: 3-Methylthiomethyl-7- 2- (2-aminothiaol-4-yl) -2- (hydroxyimino) acetamido-cef-3-em-4-carboxylic acid, syn-isomer. 3.72 g of the product obtained above and 18.6 cm of 66% aqueous formic acid are stirred at and for 10 minutes. 7.4 cm of water is added and immediately sucked off. The filtrate is distilled under reduced pressure at a maximum of 30 ° C, distilled 2 times with ethanol-water (2-1), the residue is taken up in 10 cm of water, sucked off, rinsed with water, and then with ethyl ether, and 1.945 g of cbiporo product is obtained. It is taken in 136 cm of 50% aqueous ethanol and 0.63 cm of triethylamine is slowly added. The insoluble matter is sucked off, the filtrate is acidified to pH ci 3-4 by adding 0.45 cm of 50% aqueous formic acid. Sucked off, rinsed with 50% aqueous ethanol, anhydrous ethanol and then ethyl ether and receive 1,392 g of purified product. IR spectrum (liquid paraffin), cm: 1772 (-lactam) 1693 amide 16t9 (NHj,. Formation). Aromatic G1595 compound 1533. UV spectrometer ETON - 1/10 N.NS1. Bend 220 MMK, E 320; D 262 MMK, E; 444, E 19100. NMR spectrum (DMSO), ppm: 1.98 (CHjS) - 3.58 (CHjS) - 5.17 (d, - J 5 H6) -, 5.72 (d, d ,, J 5, J 8; H7); 6.66 (Hj thiazole, syn); 9.43 (d, J 8, NHCO). Example 5. 3-methylthiomethyl-7- 2- (2-amino-thiazol-4-yl) -2-hydroxy-imino-acetamido 1-cef-3-em-4-carboxylic acid 1-oxopropoxymethyl ester, syn-isomer. Stage A: 3-methiothiomethyl-7-C2- (2-trityl-aminothiazol-4-yl) -2- (1-methyl-1-megoxyethoxy-1-methyl-acetate-j-j-cef-3-pm-4- 1-oxopropoxymethyl ester) carboxylic acid, syn-isome When stirred 5.2 g 3-metsh1 Thiomethyl-7-G2- (2-tritclaminot azol-4-W1) -2- (1-methyl-1-methoxy-ethoxyimino) acetamido-cef-3- em-4-carboxylic acid, syn-isomer, and 0.56 g of potassium carbonate in 20 cm of anhydrous dimethylformampe, cooled to 5 ° C and added at 28 cm of an acetone suspension of propionic acid iodomethyl ester prepared before use, starting from 1.715 g of chloromethyl ether propionic acid. Stirred for 30 min at, and then 30 min at. The reaction mixture is drunk into a solution formed of 260 cm of water at 10–15 ° C, 20 cm n. an aqueous solution of sodium bicarbonate and 50 cm of ethyl acetate, stirred, decanted, extracted with ethyl acetate, washed with water, dried and distilled to dryness under reduced pressure. The residue is taken up in 50 cm of isopropyl ether, sucked off and 5.53 g of the expected product are obtained. Stage B: 3-methylthiomethyl-7-C2- (2-aminothiazol-4-yl) -2-hydroxyiminoacetamidoZ-cef-3-em-4-carboxylic acid 1-oxopropoxymethyl ester 3-syn-isomer. 3.75 g of the obtained product are stirred in 18.7 cm of 66% aqueous formic acid for 10 minutes. 7.5 cm of water is added, sucked off, the filtrate is distilled under reduced pressure at maximum, and two distillations are carried out with an ethanol-water mixture (2-1). The residue is taken up in 10 cm of water1, sucked off, rinsed with water and then with ethyl ethyl acetate and 2.17 g of crude product are obtained. The latter is chromatographed on silica, eluted with ethyl acetate-acetone (3-1), the dry residue is taken up in 10 cm of isopropyl, 1.55 g of product is sucked off and taken in 4.5 cm of ethyl acetate, added 7.5 cm ethyl acetate, sucked off, rinsed with ethyl acetate and then isopropyl ether to obtain 0.536 g of the crude product. UV spectrum (ethanol). Asche, ks 222 mkk, E {384J - 19,800i 262 mkk, E, 271, E.- 14,000, (ethanol, 0.1 N.HCNS1). Bend 218 MMK, E {263 MMK, E, 382, - 293; I am 19,700. SpectR NMR (CDClj; h / ppm: 1.17 (t; J - 7) 2.42 (,; J 7) 2Hf 2.1 (CHjS); 5.11 (rfi J - 5, H6); 5.9 (COO-SNGO); 7.1 (N. thiazole).
9
IR spectrum (petrolatum T, cm: 1779 (C 0; 5-lactam) -, 1738, 1759 (ester + propionate), 1664 (amide)} 1613 (NHj, 1528 (thiazole + amide 11)).
Example 6. 3-Methylthiomethyl-7- 2- (2-aminothiazol-4-yl) -2-methox-imino-acetamido-cef-3-em-4-carboxylic acid, syn-isomer.
Stage A: 3-methylthiomethyl-7-C2- (2-tritylaminothiazol-4-yl) -2-methoxyiminoacetamndo-cef-3-em-g4-carboxylic acid, syn-isomer.
Under an inert atmosphere, 2.6 g of 3-methylthiomethyl 7-aminoceph-3-em-4-carboxylic acid, 26 cm of methylene chloride and 3 cm of tiethylamine are stirred, cooled to -20 ° C, and p- toluenesulfonic 2- (2- tritylaminothiazol-4-yl) -2-meth-oxyiminoacetic anhydride, syn-isomer, obtained in example 3. 6 g of triethylamine salt 2- (2-tritylaminothiazol-4-yl) -2-methylxymino-acetic acid are stirred for 2 hours at 0 C., acidified with 1 cm of acetic acid and concentrated to dryness under reduced pressure. The residue is taken up in 50 cm of methylene chloride, washed with water, dried and distilled to dryness under reduced pressure. The residue is taken in 50 cm of ethyl zfir, sucked off. 8.06 g of the expected product are obtained.
Stage B: 3-methylthiometh-1-7- 2- (2-aminothiazap: -4-yl) -2-methoxyiminoacetamido-cef 3-em-4-carboxylic acid, syn-isomer.
After stirring for 20 minutes, 6.15 g of the product obtained in 61 cm of trifluoroacetic acid. It is concentrated to a volume of 15 cm by distillation at and under reduced pressure, 150 cm of isopropyl ether is added at 10 ° C, stirred for 15 minutes at 20 ° C, sucked off and 3.2 g of crude product are obtained. This product is chromatographed on dioxide to the membrane, eluting with a mixture consisting of a 2 M aqueous solution of sodium chloride and a 4% aqueous solution. 1 M sodium bicarbonate. The crude product is preliminarily dissolved in the following solution: 10 cm of eluent, 1.4 cm of 1 M aqueous solution of sodium bicarbonate, 1 sc of triethylamine and 1 cm of the complete solution of sodium chloride. Interest9427910
The fractions are acidified to pH 3 with formic acid containing 50% water, sucked off, washed with water and then with ethyl ether, and 0.99 g of the expected product is obtained. Calculated,%: C 40.62; H 3.86; N 15.79; S 21.69.
(mol. weight. 443,524). Found,%: C 40, U H 3.8; N 15.5, 10 S 20.8.
IR spectrum (liquid paraffin), cm: 1770 shoulder; 1760 max (lactam); 1,660 amide; 1628 (COO and pH2 formation). 15 Amid 11 1545 Thiazole J 1529
, UV spectrum (ETON). dsc 235 mmk, EU389, 17300. Bend 255 mmk,, 15200. Bend 280 mmk, 20.
(ETON, 1/10 N.S1)., 5. 266 MMK, 1 18,900. Knee 280 MMK,.
NMR spectrum (DMSO), h / mpn: 1.98 25 (CH, S); 3.62 (SNGZ); 3.85 (OCH j) -, 5.02 (d; J 5; H6); 5.74 (d, d; D 5, J 8; H7); 6.78 (H, thiazole); 9.62 (di J 8; NHCO).
Example 7 3-Ethylthiomethyl30 (2-aminothiazol-4-yl- (2-hydroxyiminoacetamido-cef-3-em-4-carboxylic acid, syn-isomer.
Stage A: 3-ethylthiomethyl-7- 2- (2-tritylaminothiazol-4-yl) -2-hydroxy, with siiminoacetamido-cef-3-em-4-carboxylic acid, syn-isomer.
At room temperature and in an inert atmosphere, 1.37 g of 3-ethylthiomethyl-7-aminocef-3-em-4-carboxylic acid are dissolved in 15 cm of methylene chloride and 1.75 cm of triethylamine. 3.97 g of mixed tosyl anhydride of 2- (2-tritylaminothia-5 sol-4-yl) -2- (2-methyl-1-methoxy) -ethoxyimino-acetic acid, singgisomer are cooled to one time. The temperature is allowed to rise until stirred for 2 hours at this temperature, and then the neutrin is neutralized with 0.75 cm of acetic acid. The mixture is extracted with methylene chloride, the organic layer is washed with water, dried and concentrated to dryness under reduced pressure at 30 C. The residue is triturated in 20 cm of ether, and 3.55 g of a crude product is filtered off with suction. After recrystallization in methanol, 2.17 g of the expected product are obtained.
Stage B: 3-ethylthiomethyl - / - 2- (2-aminothiazol-4-yl) -2-gdroxyiminoacetamido-cef-3-em-4-carboxylic acid, syn-isomer.
Dissolve 2.16 g of the product obtained above in 10.8 cm of 66% aqueous formic acid, transfer for 10 minutes at 30 ° C, and add 4.3 cm of water. The insolation, the roasted substance is sucked off, the filtrate is concentrated to dryness under reduced pressure at a temperature lower than that and then the residue is taken up in 6 cm of water to thicken the product. Sucked off, dried, and 1.168 g of product was obtained. It is purified by dissolving in 6 cm of water and 0.4 cm of triethylamine. The salt of triethylamine crystallizes. 10 cm of water is added. The insoluble material is filtered off, washed with 5 cm of tanol, 11 cm of ethanol are added to the filtrate and acidified to pH 3-4 with 1 cm of Favic acid in 50% water. After resting Bj30 min at, the crystallized product is sucked off, rinsed with anhydrous ethanol and, finally, ethyl ether. Obtain 0.885 g of the desired product.
UV spectrum (EtOH, 1/10 H.HCI). Bend 218 MMK, E 320
 19900 m "ks 263 MMK, E 448
Nuclear Magnetic Resonance Spectrum (DMSO), ppm:
1.15 (t: J. 7)
I -S-ET 2.62 (q; J 7)
3.61 (); 11.5 (N-C "), 6, 75 (H5 thiazole); 5.12 (5.2 H;);
5.61 -5.71 V
5.75 5.83 J 1 9.62-9.48
The 3-ethylthiomethyl-7-aminoceph-3-em-4-carboxylic acid used was prepared as follows: 54.4 is stirred. g 7-aminocephalosporanic acid and 544 cm of acetic acid, add 170 cm of ether extraction of boron trifluoride, and then 45 cm of ethanediol and mix for 2 hours at 45-50 ° C, cool to 20-30 ° C, add 170 cm of triethylamine and sucked off the precipitate. Rinsing it with acetic acid, acetone and ethyl ether and receive 32.45 g of the target product, UV spectrum (EtOH 1/10 N.HC1). mchs 262, E 217, 5950.
NMR spectrum (DMSO), h / NPN: 1.13 (t: J 7)) 2.46 (q: J 7) 3.6 (CHjS), 4.72-4.79 and 4.98 -5.05 N-lactam.
Example 8. 3-Ethoxymethyl-7- 2- (2-aminothiazol-4-yl) -2-hydroxyiminoacetamido-cef-3-em-4-carboxylic acid, syn-isomer. Stage A: 3-ethoxymethyl-7-2- (2-tritnlaminothiazol-4-Sh1) -2- (1-methoxy-1-methyl-ethoxy) -minoacotetamideJ-ceph-3-em-4-carbrene acid, syn-isomer.
Operate as indicated in Step A of Example 7, using 1.29 g of 3-ethoxymethyl-7-aminoceph-3-em-4-carboxylic acid to obtain 3.74 g of crude product, which is recrystallized in ethyl acetate for to add 1.791 g of the desired product.
UV spectrum (ETON)
The bend 230mmk, E, 370 bend 260 mmk, E 233, 17300; kink 300 mmk, E 80, 5900. (ETON, 1/10 H.HCI)
Lm x 271 MMK, E, 256, 19000. NMR spectrum (Cpcij), h / mpn:
1.05-1.13-1.21 and 3.23-3.31-3.38-3.47 (OCHg-CH3); 1.54 (guy & CH,) 3.24 (OCHj); 3.51 (-S-CH,); 4.15 (-CHj-O); 4.98-5.05 (Hf) j 5.68-5.87 (H) 6.75 (Well thiazole).
Stage B: 3-ethoxymethyl-7-1 2- (2-aminothiazol-4-sh1) -2-hydroxyimine acetamido-cef-3-it-4-carboxylic acid, syn-isomer. With stirring, dissolve
1.735 g of 3-ethoxymethyl-7- 2- (2-tritYalaminothiazol-4-yl) -2- (1-methoxy-1-methylethoxyimino) acetamido-cef-3-em-4-1sarboxylic acid, syn-isomer, in 8 , 6 cm of 66% aqueous formic acid. Heat at 50 ° C for 10 minutes and add 3.5 cm of water in hot form. The resulting trienyl carbinol is filtered off with suction, the filtrate is concentrated to dryness under reduced pressure, 5 cm of ethanol containing 50% water is added, and the concentrate is dried to a dry temperature at a temperature not exceeding. The residue is taken in 6 cm 55 of water, triturated to thicken the product, sucked off, rinsed with water and then ether, and 0.915 g of crude product is obtained, which
13
0.813 g is dissolved in 10 cm of 50% aqueous ethanol and 0, A5 cm of triethylamine. The mixture is filtered, rinsed with 6 cm of aqueous ethanol, the acidified acid filtrate to pH 3.4, added 0.7 cm of 50% formic acid. The seeds are crystallized, sucked off, rinsed with aqueous ethanol and ether to obtain 0.688 g of the desired product.
UV spectrum (EtOH, 1/10 H.HCI),; Bend 219 mmk, E 288, 1230 mmk, E, 409, 17500
NMR spectrum (DMSO), ppm: 1.11 (t:) l 3.40 (q:)) ° 4.22 (); 5.11-5.19 (H); 5.675, 75-5.8-5.87 (K) 6.75 (Hj thiazole); 7.17 (NHj) i 9.47-9.6 (SS).
3-Ethoxymethyl-7-aminoceph-3-em-4-carboxylic acid, which JOI is required at the beginning of the example, can be obtained in the following way.
27.2 g of 7-aminocephalosporanic acid and 272 cm of anhydrous acetonitrile are stirred, 128 cm of ether extract of boron trifluoride are added, followed by 71 cm of ethanol and heated at 45-50 ° C for 16 hours under an inert atmosphere. The reaction mixture is cooled to 15-20 ° C and 98 cm of triethylamine are added in 15 minutes. The precipitate is filtered off with suction, rinsed with acetonitrile, acetone and then ethyl ether to obtain 19.25 g of crude product, 18 g of this product is dissolved in 54 cm 2 n. hydrochloric acid, heated to 45 ° C is treated with activated carbon, filtered and the filtrate is neutralized by adding 11 cm of ammonium hydroxide in hot form. The precipitate obtained is filtered off with suction at 20 ° C, rinsed with water, acetone and ether and 8.6 g of product are obtained. Take 5.86 g of the latter in 24 cm 2 n. hydrochloric acid, stirred for 1 hour at and add 4 cm of ammonium hydroxide in hot condition. It is filtered off with suction and then rinsed with water, acetone and then with ethyl ether, and 4.75 g of the expected product is obtained.
UV spectrum (ETON, 1/10 N.NS). AWOIM: 259 microns, EI 239, 6200.
NMR spectrum (DMSO), ppm: 1.08 (t: 1 7) 1
OET 3.39 (q: J 7) j
9427914
4.18 (-0-CH-); 4.72-4.8 and 4.98-5.03, (H and H).
Example 9. 3- (2-Propenyloxymethyl) (2-aminothiazol-4-yl) -25-methoxyiminoacetamido3-cef-3-em-4-carboxylic acid, syn-isomer.
0.96 g of 2- (2-aminothia-3OL-4-IL) -2-methoxyiminoacetic acid, syn-isomer, 0.912 tosyl chloride and 4 cm of anhydrous dimethylethamide are mixed. The mixture is cooled to -20 ° C and 0.67 cm of triethylamine is added. Hold agitation and temperature for 1 hour. This suspension
15 to 5 minutes and at -20 ° C are added to pafcTBOpy, cooled to (-65) (-70) ° C, obtained by mixing 0.992 g of 3-allyloxymethyl-7-amino-cf-3-em-4-carboxylic acid,
20 10 cm of methylene chloride and 1.5 cm of triethylamine at 15-20 C. Mix for 30 minutes at -65 ± 2 ° C, add 2 cm of a mixture of acetic acid - methylene chloride (1-1), mix for another 15 minutes Allow the temperature to reach -50 ° C to inject 2 cm of water. 4 cm 50% aqueous formic acid is added. Methylene chloride is removed by distillation.
30 at a temperature lower under reduced pressure, and added 11 cm of water. 50 cm of a saturated aqueous solution of sodium chloride is added. The aqueous layer is decanted and
35 turn into dough gummy sediment with 5 cm of water. It is sucked off, rinsed with water and then with ether in order to obtain 0.728 g of the final product. To the decanted water layer and
4Q, 20 cm of a saturated aqueous solution of sodium chloride was added to the water of condensation and rinsing and extracted with acetic acid methyl ester. Dry the organic layer,
45 are concentrated to dryness and taken away.
the residue is 20. cm in the presence of a saturated aqueous solution of sodium chloride. The precipitate is collected, turned into a dough in 5 cm of water to obtain another 0.338 g of crude product. Chromatograph on
silicon dioxide 1.060 g of the product, eluting with 2 M sodium chloride solution containing 4 h / min of 1 M sodium bicarbonate solution. Acidified to pH 3-4 collected, the aqueous fractions with the aid of a 50% aqueous solution of formic acid, sucked off and get Ojl80 g of the target product.
15 From the filtrate, 0.368 g of the desired product is recovered again by extraction with acetic acid methyl ester.
UV spectrum (ETON, 1/10 N.HC1). 265 MMK, E; - 423, 19200.
NMR spectrum (DMSO), h / mp: 3.84 (N-0-СНз); 3.86-3.93 (O-CHj-CH)} 4.24 (CHjO) v 5.13-5.33 (CH2 and H), 5.7-6.1 (and H7); 6.72 (Hj thiazole); 9.5-9.6 (-NHCO-) ..
The 3-allyloxymethyl-7-aminoceph-3-em-4-carboxylic acid used at the beginning of the example was obtained in the same manner as the 3-ethoxymethyl-7-amino-eef-3-em-4-carboxylic acid in Example 8. 27.2 g of 7-aminocephalosporanic acid, 170 cm of ethereal extract of boron trifluorocde, 136 cm of allyl alcohol and 115 cm of triethylamine. The crude product (9 g) is also purified two consecutive times, with hot hydrochloric acid and ammonium hydroxide. Obtain 4.72 g of the target product / ha
UV spectrum (EtOH, 1/10 H.HCI). Mike 259-260 MMK, 244, “6600.
NMR spectrum (ShZO), hours / million : 4.23 () i 5.62-6.25 () -, 4.724, 8, and 4.95-5.03 (H-lactam).
Note 10. 3-Proxymethyl-7- 2- (2-amyothiazol-4-yl) -2-methoxyiminoacetamido-cef-3-em-4-carboxylic acid, syn-isomer.
1.440 g of 2- (2-aminothiazol-4-yl) -2-methoxyimine acetic acid, syn-isomer, 1.368 g of tosyl chloride and 6 cm of anhydrous dimethylacetamide are stirred, cooled to (-15) (-20) C in an inert atmosphere for , in order to introduce within 2 min 1 cm of triethylamine at (-15) - (- 20) C. Peremeshvayut for 1 h at (-15) - (- 20). Within 5 minutes, this suspension at -20 ° G is added to a solution cooled to (-65) - (- 70) With a solution prepared by mixing 1.5 g of 3-propoxymethyl-7-aminocef-3-em-4-carboxylic acid , 15 cm of methylene chloride and 2.25 cm of triethylamine at 15-20 C. Mix for 30 minutes at -65t2C, add 3 cm of a mixture of acetic acid and methylene chloride (1-1) and mix for another 15 minutes at -65 ° C When 3 cm of water is introduced and at 6 cm 50% formic acid is added
9427916
acid. Methyl chloride is removed from the reaction mixture, 16.5 cm of water are introduced and distilled under reduced pressure at a temperature below 5. 25 cm of water are added and
25 cm of a saturated aqueous solution of sodium chloride and extracted with methyl acetic acid. The organic layer is washed with semi-saturated aqueous sodium chloride solution, treated with activated carbon, dried and concentrated to dryness under reduced pressure. The residue is taken in 100 cm of a full sodium chloride aqueous solution and the aqueous layer is decanted. The remaining gummy residue is converted into a dough in 5 cm of water, the product is concentrated, sucked off, rinsed
20 with water and then ether and get 1,682 g of crude product. The mother liquors are extracted with methyl I of acetic acid, the organic layer is dried, concentrated to dryness under reduced pressure. The residue is taken up in 50 cm of an aqueous, saturated sodium chloride solution, and the precipitate formed is filtered off with suction to give 0.538 g of a crude product. This latter is taken up in 20 cm of water and extracted with acetic acid methyl ester, the organic layer is dried, and concentrated to dryness under reduced pressure. 5 Triturate the residue with 5 cm of ether, suction and obtain 0.450 g of the expected product.
UV spectrum (ETON)
0 Yazhak 237 MMK, E {- 359, - 16400, bend 251 MMK, E 322, “14700; kink 290 MMK, E 157. (ETON, 1/10 N.HC1).
“KC 263 MMK, E 388, 17700.
5 NMR spectrum (DMSO), ppm: 0.85 (t: 3 7j СНзпропил) $ 3.32 (t: Г 7, 0-CH2-CHj-) i 4,23 (); 5.12-5.2 (H); 5.65-5.73 and 5.785.77 (Well); 6.81 (Hj thiazole); 3.9
0 (N-G-CHj); 3.55 (-CH, -8-); 9.589, 72 (-NH-CO-).
3-Propoximetsh1-7-aminocef-3-em-4-carboxylic acid is obtained in the same way as 3-ethoxymethyl-7-amino-cef5 -Z-it-4-carboxylic acid in Example 8. 27.2 g are consumed 7-amino-cephalosporanic acid, 170 cm of ether extraction of boron trifluoride. 131 cm of propanol and 128 cm of triethylamine. The product is also purified (t7.4 g) using hot hydrochloric acid and ammonium hydroxide. 7.45 g of the expected product are obtained. UV spectrum (EtOH, 1 / tO H.HCJ). 269 MMK E, 238, 6500. Nuclear Magnetic Resonance Spectrum (DMSO), p7 / ppm: 0.720, 85-0.97 (CH3), 1.2-1.8 (CHj-CHj-) i 3.2-3 3-3.4 (O-CHi-CHj); 4.2 (-CHj-O-CjH7); 4.7-4.78 and 4.95-5.03 (H and H,). Example 11. 3-Ethoxymethyl-7- 2- (2-aminothiazol-4-yl) -2-methoxy-imino-acetamido-cef-3-em-4-caroic acid, syn-isomer. Act as in Example 9, drinking 0.949 g of 3-ethoxymethyl-7-aminoceph-3-em-4-carboxylic acid, prior to the step of removing methylene chloride and adding water. 60 cm of a saturated aqueous solution of sodium chloride is added. The precipitate is filtered off with water and then with ether to obtain 0.250 g of crude product. The mother liquors are extracted with acetic acid methyl ester, the organic layer is dried, and concentrated to dryness. The residue is taken up in 50 cm of a saturated aqueous solution of sodium chloride. The resulting precipitate was separated, turned into a dough with 5 cm of water and 0.361 g of the crude product (target) was sucked off. The first fraction is purified on silicon dioxide dioce chromatography, using a solution of 2 M sodium chloride containing 4% 1 M sodium bicarbonate solution. The fractions containing the desired product are acidified to pH 3-4 by addition of 50% formic acid and extracted with acetic acid methyl ester. The organic layer is dried, concentrated to dryness and taken up in 5 cm of ether, triturated and 0.122 g of product is sucked off. This last is added to the second fraction and taken in 5 cm of water, 1.4 cm of 1 M aqueous solution of sodium bicarbonate, treated with activated AAL4 with charcoal, acidified to a pH of 3-4 by addition of 0.3 cm of 50% formic acid, and extracted methyl ester of acetic acid. Dry the organic layer, concentrate to dryness and remove the residue with ether. 0.366 g of the expected product is obtained. . UV spectrum (ETON). 235 MMK, E; 411, I8l00i bend 251 mmk, E, 361, 15900, bend 290 mmk, E 174. (ETON, 1/10 and .NC1). wenttc 263-264 mmk, E 429, E 18900. NMR spectrum (DMSG), ppm: 1.11 (t: J 7) 1 3.28-3.35, 3.37-3.51 J 3.83 (-N-OCHi) -, 3.80 (-0-CH), 5.115, 17 (Hj) -, 5.68-5.73 and 5.77-5.82 (HT) -, 6.73 (Well thiazole); 9.51-9.6 (-NHCO-). Example 12. 3- (1-Methylethoxy) -methyl-7- 2- (2-aminothiazol-4-yl) -2-methoxyiminoacetamido-cefg3-em-4-carboxylic acid, syn-isomer. The operation is carried out as in Example 9, starting from 1 g of 3- (1-methylethoxy) -methyl-7-aminoceph-3-em-4-carboxylic acid prior to the step of removing methylene chloride and adding water. 40 cm of a half-saturated solution of sodium chloride is added and extracted with acetic acid methyl ester. After drying, the organic layers are distilled to dryness under reduced pressure. The oily residue is taken up in 50 cm of the saturated aqueous solution of sodium chloride, triturated, and then the precipitate formed is filtered off with suction, rinsed with water, and 0.602 g of the expected product is obtained. Royal solutions. extracted with acetic acid methyl ester, dried, concentrated to dryness under reduced pressure, and the residue taken up in 50 cm of ether. Suction 0.686 g of the desired product. UV-spectrum (EtON) 236 microns, E, 359, 16400; bend 252 microns, E 318, 14500; inflection 291 micron, E 151. mix 263 micron, E {385, 1 17500. NMR spectrum (DMSO), ppm: 1.05-1.15: CH - CHj 3.57 (-CHj-S -) ,, 4.23 (-O-CHj-); 3.88 (-N-0-CH3), 5.12-5.2 (H); . 5.65-5.73 and 5.78-5.87 (H,) -, 6.82 (Well, thiazole) -, .v 9.58-9.72 (-NH-CO). 3- (1-Methyloethoxy) -methyl-7-aminoceph-3-em-4-carboxylic acid is obtained in the same way as 3-ethoxymethyl-7-amino-ceph-3-em-4-carboxylic acid in Example 8. Uses 27.2 g of 7-aminocephalosporanic acid, 170 cm of ether extract of boron trifluoride, 134 cm of isopropanol and 125 cm of triethylamine. Also purify the product (16.25 g) two consecutive times, using hydrochloric acid in a hot form and ammonium hydroxide. Obtain 5.8 g of the target product.
UV spectrum (EtOH, 1/10 n. HC1). 259 MMK, E, 233, BZOO.
NMR spectrum (DMSO), hours / million:
1.02-1.12: CH - SI,
X
SNS
4.2 (CH, -0) -, 4.72-4.8 and 4.95-5.03 (HC and H,).
Example 13. 3- (Phenylmethoxy) -methyl-7- 2- (2-aminothiaz ol-4-yl) -2-methoxyiminoacetamido-cef-3-em-4-carboxylic acid, syn-isomer.
Act 19T according to Example 9, using 1.175 g of 3- (phenylethoxy) -methyl-7-aminoceph-3-em-4-carboxylic acid, before the step of removing methylene chloride and adding water.
Saturated aqueous sodium chloride solution is added, the precipitate formed is filtered off with suction, rinsed with water and then with ethyl ether, and 0.905 g is obtained, then 0.590 g of product is obtained. 0.707 g of the product is dissolved in 7 cm of water and 0.2 cm of triethylamine. After treatment with activated carbon, 0.15 cm of 50% formic acid is added. 0.484 g of precipitate is sucked off, 0.590 g of product is added and the mixture is triturated in 10 cm of a 50% aqueous solution of ethanol, containing 0.6 cm of formic acid, for 15 minutes at 20 s. The insoluble matter is filtered off with suction and 1.6 cm of ammonium hydroxide and -20 cm of water are added to the filtrate, and then extracted with acetic acid methyl ester. The organic layer is washed with water, dried and concentrated to dryness under reduced pressure. The residue is triturated with 10 cm of ethanol, filtered off with suction, rinsed with ethanol and then with ether, and 0.283 g of the expected product is obtained.
UV spectrum. (ETON). MMK, E, 350, E 17700, bend 255 MMK, E I, 308; kink 290 MMK, Elj 154. (ETON, 1/10 N.HC1). L "Aks: 262 MMK, E; 367, 18500.
NMR spectrum (DMSO), h / mpn: 3.85 (N-O-CHj) - 4.31 (-CHj-O); 4.45 (-0-CH-O); 5.12-5.2 (H) -, 5.685, 77, and 5.82-5.9 (H); 6.7 (I; thiazole)} 7.33 (phenyl); l 9.52-9.65 (-NH-CO-). .
3- (Phenylmethoxy) methyl-7-aminoceph-3-em-4-carboxylic acid was prepared, as was the 3-ethoxy-methyl-7-amiocef-3-em-4-carboxylic acid of example 8. 27.2 g are consumed 7-aminocephalosporanic acid, 128 cm of ethereal extraction of boron trifluoride, 126 cm of benzyl alcohol and 90 cm of triethylamine, and 27.1 g of crude product are obtained.
25 g of crude product and 250 cm of acetic acid are stirred, 25 cm of ethereal boron trifluoride extract are added, the solution is precipitated by addition of acetic acid, acetone, and then ether, and 4.6 g are obtained. 4.8 g of product is dissolved at 45 ° C in 20 cm 2n. hydrochloric acid solution and 8 cm of concentrated hydrochloric acid; treated with activated carbon; 6 cm of ammonium hydroxide added. The precipitate formed is filtered off with suction, washed with water, acetone and ether and 2 g of the expected product are obtained.
UV spectrum (ETON, 1/10 -N.NS). 250 MMK, E, 216, E 6900.
NMR spectrum (DMSO). 4.28 and 4.45 (-CHj-O-CH) i 4.73-4.82 and 4.95-5.03 (Hj and H); 7.33 (aromatics).
Example 14. 3- (2-Methoxyethoxy) -methyl-7- 2- (2-aminothiazol-4-Sh1) -2-methoxyiminoacetamido-cef-3-em-4-carboxylic acid, syn-isomer.
The operation is carried out as in Example 9, consuming 1.160 g of 3- (2-methoxyethoxy) methyl-7-aminoceph-3-m 4-carboxylic acid, prior to the step of removing methylene chloride and adding water. 50 cm of a complete aqueous sodium chloride solution are added, the resulting insoluble material is filtered off with suction and the filtrate is extracted with methyl acetic acid. The organic layer is washed with water, dried and concentrated to dryness under reduced pressure. Remainder
21
taken in 50 cm of a saturated aqueous solution of sodium chloride. The resulting precipitate is removed by decanting and the floating substance is extracted with acetic acid methyl ester. The organic layer is washed with water, dried and concentrated to dryness under reduced pressure at a temperature lower than. The residue is triturated in 20 cm of ethyl ether, sucked off and 0.725 g of crude product is obtained, 0.720 g of this product is taken in 15 cm, stirred for 5 minutes at, the insoluble matter is filtered off with suction, and the filtrate is extracted with acetic acid methyl ether. The organic layer is washed with water, dried and concentrated to dryness under reduced pressure. The residue is triturated in 20 cm of ether, sucked off, and 0.500 g of product is obtained.
UV spectrum. (ETON).
.x238 MMK, E "342, 16100; bend 250 MMK, E 313; kink 290 mcc, E, 141. (ETON, 0.1 H.HC1).
 w «Ko265 MMK, E (369, 17400.
- NMR spectrum (DMSO), ppm: 3.32 (0-СНз) -, 3.45 (O (eH) g-O), 3.83 (N-0-CHj) -, 4 , 28 (-CH2-0-) i 5.11-5.17 (Ei); 5.69-5.74 and 5.77-5.83 (H) -, 6.74 (HS thiazole); 7.22 (NHj), 9.59, 6 (NHCO).
The 3- (2-methoxyethoxy) -methyl-7-aminoceph-3-em-4-carboxylic acid is obtained in the same way as the 3-ethoxymethyl-7-amino-acid-3-em-4-carboxylic acid of Example 8. 27 , 2 g of 7-aminocepaposporanic acid 170 cm of ether extract of boron trifluoride, 136 cm of methoxyethanol, 125 cm of triethylamine and 19.25 g of crude product are obtained. 17 g of the latter is stirred, 170 cm of methylene chloride and 8.3 cm of triethylamine for 20 minutes, the insoluble matter is filtered off with suction and 8.3 cm of acetic acid are added to the filtrate. The precipitate formed is filtered off with suction, after drying 9.28 g are taken in 130 cm of acetone with 2% water and 4.5 cm of triethylamine and stirred for 15 minutes. The insoluble material is filtered off and the filtrate is precipitated with 4-5 cm of formic acid. The precipitate is filtered off with suction, rinsed with acetone and then with ether, and 6.35 g of product is obtained which is processed anew 9427922
in the same way to obtain 5.77 g of the desired product.
UV spectrum (ETON 0.1 H.HCt). masses 260-261 mmk, E {226, J 650r, bend 330 mmk, E {9.
NMR spectrum (DMSO), ppm: 3.23 (O-CHj); 3.45 (CHj-S- and -0 (CH2) 20-) i 4.23 (), 4.7-4.77 and 4.92-5 (H4 and H).
Example 15. 3-methoxymethyl-5-oxide-7-C2- (2-aminothiazol-4-yl) -2-hydroxyiminoacetamido J-cef-3-it-4-carboxylic acid, syn-isomer.
Stage A: 3-meToxymethyl-5-ca15 seed-7- 2- (2-tritylaminothiazol-4-yl) -2- (1-methyl-1-methoxyethoxyimino) acetamido-cef-3-om-4-carboxylic acid, syn isomer.
1.45 g of 3-methoxymethyl 17-7- 2- (2-tritylaminothiazol-4-yl) -2- (1-methyl-1-methoxyethoxyimino) acetamido-cef-3-em-4-carboxylic acid is dissolved at room temperature. , syn-isomer, c. 14 cm of methylene chloride are cooled to, add 440 g of metachloroperbenzoic acid, mix 15 mn and allow the temperature to rise to room temperature. 10 cm of isopropyl ether is added, methylene chloride is distilled off, 10 cm of isopropyl ether is added again, and 1.47 g of crude product is sucked off.
Stage B: 3-methoxymethyl-5-oxide-7- 2- (2-aminothiazol-4-yl) -2-hydroxy (dan acetamido-cef-3-em-4-carboxylic acid, syn-isomer.
1.47 g of the product obtained in stage A and 5 cm of a 66% aqueous solution of formic acid are mixed. 50 cm of ethyl ether are added, the precipitate is filtered off with suction, 0.785 g of crude product is obtained, which is taken up in 1 cm of water and two drops of pyridine, 10 cm of ethanol are added, it is filtered off with suction, then with ethanol and 0.51 g of the target is obtained. product. .
UV spectrum (EtOH, 0.1 n. HC1). - Bend 218 MMK, E. 303 ,. m «KS261 MMK, E (423, 18200. The inflection is 375 microns, El | 2.
NMR spectrum (DMSO), ppm: 3.25 (OHCj) -, 4.3-4.5 and, 21 (); 4.98-5.06 (H); 6.83 (N. thiazole), 5.95-5.98 and 6.05-6.13
(HI).
Rum. 16. 3-Methylsulfinylmethyl-5-oxide-7-2- (2-aminothiazol-4-yl) -2-hydroxyiminoacetamido-cef-3-em-4-carboxylic acid, syn-isomer. The procedure is as in Example 15, starting from 0.744 g of 3-methylthiomethyl-7- 2- (2-tritylaminothiazol-4-sh1) -2- (1-methyl-1-methoxy-ethoxymino) -accetamidoJ-cef-3-em-4-capsule acids, syn-isomer, and 0.404 g of metachloroperbenzoic acid. 0.250 g of the expected product is obtained. UV spectrum (EtOH, 1/10 n. HC1). 269 MMK, E {396, 18300. NMR spectrum (DMSO), ppm: 2.6 (CHj-5-O) -, 5-5.08 (Hf); 5.88-5.96 1 6.03-5.12 t 6.78 (Hf thiazole). Example 17. 3-Methylthiomethyl (2-aminothiazol-4-yl) -2- (phenyl methyl oxyimino) -acetamce} -ceph-3-em -4-carboxylic acid, syn-isomer. Stage A: C-Toluenesulfonic 2- (2-tritylaminothiazol-4-yl) -2- (phenylmethyloxyimio) acetic anhydride, syn- and omer. 2.6 g of 2- (2-tritylaminothiazol-4-yl) -2- (feiylmethyloxyimino) acetic acid, syn-isomer, in 26 cm of acetone are added while stirring, 0.95 g of tosyl chloride and 0.7 cm of triethylamine are added The temperature is allowed to rise to room temperature, stirred for 1 hour and a suspension is obtained, which is consumed immediately in the next stage. Stage B: 3-methoxy-7-2- (2-tritylaminothiazol-4-yl) -2- (phenylmethyloxyimino) acetamido j-cef-3-it-4-carboxylic acid, syn-isome The suspension obtained in step A is poured in a pre-cooled solution of 1.3 g of 7-amino-3-methylthiomethyl ceph-3-em-4-carboxylic acid in 13 cm of methylene chloride and 1.4 cm of triethylamine. The temperature was allowed to reach room temperature, stirred for 45 minutes, 0.7 cm of acetic acid was added, and then the solvents were distilled off under reduced pressure. The residue is taken in 40 cm of methylene chloride and 40 cm O, 1 and. hydrochloric acid, decanted, washed with water, an organic layer, dried, the solvents were distilled off under reduced pressure, and 4.44 g of residue was collected. Stage B: 3-methylthiomethyl-7- 2- (2-aminothiazol-4-yl) -2- (phenylmethyl 9 oxyimino) acetamido}-cef-3-em-4-carboxylic acid, syn-isomer. The residue is taken up in 22 cm of 67% formic acid, stirred for 15 minutes at 45 ° C, 10 cm of water is added, insoluble matter is removed, the solvents are distilled off under reduced pressure at 35 ° C, the residue is taken up in a 50% aqueous solution of ethanol, and then into water, sucked off, dried under reduced pressure, and 2.28 g of crude product are obtained which is chromatographed on silica (eluant: 3 M aqueous sodium chloride solution containing 0.4% sodium bicarbonate). The organic layer is acidified with 1N. hydrochloric acid solution, sucked off, concentrated in water, dried, and 0.911 g of product is obtained, which is taken up in 8 cm of methylene chloride containing 10% methanol, some magnesium sulfate is added, sucked off. The filtrate is concentrated to dryness under reduced pressure, the residue is taken up in ethyl ether, sucked off and dried, and 0.686 g of pure desired product is collected. M.p. 168 C (decomposition). UV spectrum (ETON). woKC 236 MMK, 18100, kink 257 MMK, kink 301 MMK, 6700. (ETON, 0.1 N.NS1). E) le (cc 266 micron, E 18800. NMR spectrum (DMSO), ppm: 1.92 (8-СНз); 3-4,14 () j 6,8 (Well thiazole); 7 , 41 (P phenyl). 5,2 (). 2- (2-Tritch1-amino-thiazol-4-yl) -2- (phenylmethyloxy-c) -acetic acid, syn-isomer, can be obtained by the following method. A) Ethyl ester 2 - (2-tritylaminothiazol-4-yl) -2- (phenylmethyloxymino) carboxylic acid. 9.88 g of 2- (2-tritylaminothiazol-4-yl) -2-hydroxyimino carboxylic acid ethyl ester hydrochloride, 50 cm of dimethylformamide and 13.8 g of potassium carbonate are stirred. 23 cm of benzyl chloride was added to and within 5 minutes and left to stir for 20 hours at room temperature. 500 cm of water and 100 cm of ethyl acetate are added, the organic layer is decanted, the organic layer is washed with water, dried and concentrated under reduced pressure. After chromatography
25
on silica (eluent: cyclohexane - ethyl acetate 9-1), 5.51 of the expected product is obtained. .
b) 2- (2-Tritylaminothiazapg4-yl) -2- (phenylmethyloxyimino) acetic acid, syn-isomer.
5.3 g of the product obtained in the previous step are mixed in 30 cm of ethanol, 8 cm of dioxane and 4.8 cm 2 n. caustic soda solution. .
The mixture is stirred for 20 hours at room temperature, sucked off, rinsed with ethanol-dioxane (4-1), and then with ethyl ether, and 4, .452 g of sodium salt are collected. 11ribavl 50 cm of water, 50 cm of methylene chloride and 6. cm 2 n. hydrochloric acid solution. The organic layer is decanted, washed with water, dried, the solvents are distilled off under reduced pressure, the residue is taken up in isopropyl ether and, after drying, 3.758 g of the desired acid is obtained. M.p. J53C;
. NMR spectrum (CDC13), ppm: 7.3 (6.5 (H 5 thiazole) -, 5.25
(CH, -) ..:
I p 18. 3-Methylthiomethyl-7- 2- (2-aminothiazol-4-yl -2- {2-bromoethylrximimino) -acetamido-cef-3-em-4-carboxylic acid, syn-isomer.
Act as in example 17, starting from 1,909 g of 2- (2-tritylaminotazol-4-yl) -2- (2-bromoethyl) -.oxyimino-acetic acid, syn-isomer, and 0.68 g of tosyl chloride, 0.927 g 7-amino-3-methylthiometry 1Lzef-3-em-4-carboxylic acid, and 15 cm 67% formic acid. Obtain 0.615 pure desired product .. So pl. 185 ° С (decomposition).
UV spectrum (ETON).
  232 MMK, 18000, inflection .255 MMK, inflection 296 MMK, 7600. (ETON, 0.1 N.HC1) 265 MMK, E 18800, bend 280 MMK. .
NMR spectrum (DMSO), h / min:. 2 (S-CHj); 3.44-5.2 (and CH -Z-CH3) - 4.32-4.45 (CHj-CHj-Br); 6.9 (H thiazole). Example 19. 1- (1-Oxopropyl) oxy} propyl ester 3-methylthiomethyl-7- 2- (2-aminothiazol-4-yl) -2-hydroxyiminoacetamido-cef-3-em-4-carbonic acid, syn-isome
Step A: .1- (1-oxopropyl) hydroxy propyl ester Z-methylthiomethyl-794279 .26
-C2- (2-tritch1-aminothiazol-4-yl) -2-1-methyl-1-methoxyethoxyiminoacetamido}-cef-3-em-4-carboxylic acid, syn-isomer. . 5 In an inert atmosphere, 5 g of 3-methylthiomethyl-7- 2- (2-tritylaminothiazol-4-yl) -2- (1-methyl-1-methoxyethoxyimino) acetamido-ceph-3-em-4-carboxylic acid are mixed, syn isomer
10 to 16.5 cm of dimethylformamide and 0.49 g of potassium carbonate. 3 ml of bromopropyl propanoate are added dropwise and stirred for 15 minutes. The reaction mixture is poured into 200 cm of water, and then extracted with ethyl acetate. The organic layer is washed with a saturated aqueous solution of sodium chloride, dried, concentrated to dryness.
20 under reduced pressure at a temperature below and obtain 6.3 g of crude product. .
Stage B: 1- (1-oxopropyl) -oxy1 propyl ester, 3-methylthiomethyl-75 (2-aminothiazol-4-yl) -2-hydropookcyminoacetamido} -ceph-3-sym-4-carboxylic acid, syn-isomer.
6.3 g of the product obtained in the preceding stage (53 cm of 90% aqueous solution of formic acid, stirred for 53 min., Filtered, added to the filtrate 500 cm of water, stirred. 5 micron. And extracted ethyl acetate. The organic layer is washed with a saturated aqueous solution of sodium chloride, dried, concentrated to dryness under reduced pressure, and 2.66 g of the expected product is obtained, which
0 purified by chromatography on silica (eluent: methylene chloride methanol 92-8). Evaporate to dryness, dissolve the residue in methanol and re: crystallize in isopropyl
5 broadcast. 1.11 g of pure desired product is obtained. M.p. (decomposition ) . .
UV spectrum (ETON, 0.1 NNS) .. 71 „AX 264 MMK, E 347, € 18800.
0 NMR spectrum (CBCI3), ppm: 2.06 (ZSNe) -, 1.03-1., 26 and 2.21-2.56
(C-ET) V 6.83-7.08 (C02-CH-); Ii.
, 0 ..
0.85-1.83 (Et).
Used in stage A of Example 19, propanoic acid bromopropyl ester was prepared as follows. With stirring, 180 mg of zinc chloride and 30 cm of propyrnyl bromide are mixed, cooled to 3c, and 26.4 cm of propionic aldehyde are added over 25 minutes. It is left under stirring for 15 hours and at room temperature, and then distilled under reduced pressure, and 14.27 g of the crude product taken up in this form in the next stage is collected. Example 20. 3-methylthiomethyl-7-C2- (2-aminothiazol-4-yl) -2-hydroxyiminoacetamidoZ cef-3-em-4-cyano-3-carboxylic acid cyanomethyl ester. Act as in Example 19, starting from 5 g of 3-methylthiomethyl-7- 2- (2-tritylaminothiazol-4-SH1) -2- (1-methyl-1-methoxyethoxyimino) -acet amirtoJ-cef-3-Em-4- carboxylic acid, .in isomer, 2.2 cm bromide / brushon. This gives 0.767 g of crystallized product, which is purified by the addition of isopropyl ether, m.p. ... UV spectrum (ETON, 1/10 N.S.). ; Lmak-s 265 MMK, E 3157, 17200., NMR spectrum (DMSO), ppm: 2.01 (SCH3) i 5.23 (COOCH)} 6.75 (H thiazole). Example 21. 1- (1-Oxoethyloxy) -propyl ester of 3-methylthiomethyl-7-C2- (2-aminothiazol-4-yl) -2-hydroxyiminoacetamido3-cef-3-em-4-1sarboxylic acid, syn-isomer . The procedure is as in Example 19, starting from 5 g of 3-methylthiomethyl-7-C2- (2-tritylaminothiazol-4-yl) -2- (1-methyl-1-methoxyethoxyimino) acetamido}-cef-Z-em-4- carboxylic acid, syn-isomer, and 7 cm of 3-bromopropyl ester of acetic acid in chloroform solution. 0.965 g of pure product is obtained. M.p. 130C (decomposition). UV spectrum (EtOH, 0.1 H.HCI). 264 MMK, E {347, 18400. NMR spectrum (HSS), ppm: 0.85-1.08 (CH2-CH3) i 1.88 and 1.93 (SCH, and 0-С- CH,) -, 7.01 (H; thiazole) 3 and OC-CHj) -, 7.01 6.83-7.16 (COOCH-0). The 21-3-bro propyl ester of acetic acid used in Example 21 was prepared as follows. 37 cm of acetyl bromide and 0.242 g of zinc chloride are mixed, and then 12 minutes are added at 15 ° C to 40 cm of propionic aldehyde. Leave 11 28 5 h under stirring and at room temperature, and then distilled at 53-58 C (80-90 mm of He). At room temperature, 5 cm of chloroform of 5 cm of mixed product are mixed with stirring, 840 mg of hexamethylene tetramine are added in small fractions, stirred for 10 minutes, and a solution of 3-bromo-acetic acid ethyl ester is obtained, which is immediately consumed. Example 22. 1-Acetyloxyethyl ether. 3-methylthiometho-1-7- 2- (2-aminothiazol-4-yl) -2-hydroxyimocetamido-cef-3-em-4-carboxylic acid, syn-isomer. Act as in example 19, the outcome of 5 g of 3-methylthiomethyl-7- 2- (2-triylaminothiazol-4-yl) -2- (1-methyl-1.methoxyethoxyimino) acetamido.-cephZ-4-carboxylic acid , a xinomer and 1.55 cm of methyl bromide of ethyl acetate, 867 g of the expected product are obtained. TSHPL. . 1-150 C (decomposition). UV spectrum (EtOH, 0.1 H.HCJ) 265 micron, E, 347, 17800. Nuclear Magnetic Resonance Spectrum (HCl), h / ml: 2.26-2.35 (CHj-CH); 3.06-3.12 (S.-CHj and OAc) i 5.38 (CHj) -, fO, 4 (Hj. Thiazole and —SNS). Example 23. 2-Chloro-2-pro-. 3-methylthiomethsh1-7-2- (2-aminothiazol-4-yl) -2-hydroxyiminoacetamido3-cef-3-em-4-carboxylic acid polyethylene ester, syn-isomer. Stage A: 2-chloro-2-propenyl ester 3-methylt iomethyl-7-C2- (2-tritylaminothiazol-4-yl) -2- (1-methyl-1-methoxyethoxyimino) acetamido-cef-3-it- 4-carboxylic acid, syn-isomer. In an inert atmosphere, 5 g of 3-methyi1-thiomethyl-7-C2- (2-tritylaminothiazop-4-yl) -2- (1-methyl-1-methoxyethoxyimino) acetamidoZ-cef-3-em-4-carboxylic acid, syn isomer, in 16 cm of dimethylformamide and 0.477 g of potassium carbonate. A acetone solution of 3-iodo-2-chloro-1-propene is added dropwise. After 30 minutes, the acetone is distilled off under reduced pressure at a temperature below 40 ° C. The dimethylformamide solution is mixed with 250 ml of isopropyl ether, decanted, the residue is dried under reduced pressure, and 7.8 g of crude product is collected. Stage B: 3-methylthiomethyl-7- 2- (2-amino-thiazol-4-yl) -2-hydroxyiminoacetam doZ-cef-3-pm-4-carboxylic acid 2-chloro-2-propenyl ester. . The procedure is as in step B of Example 19, starting from 7.8 g of the product obtained in the previous step, and 1.18 g of the desired product is collected. M.p. l / 146 C (decomposition). , UV spectrum (EtOH, 0.1 N.NS). . —A ls 265 μMK, E (377, f 19,000 NMR spectrum (CBC1)) ppm: 2.03 (8-СНз); 3.63 (3-CIR; 4.835, 6 (and CHj ) -, 5.1-5.18 (H) The acetone solution used in stage A of this example was prepared as follows: 6.1 cm of 2.3-dichloro in an inert atmosphere 1-Propene and 10 g of sodium iodide in 43 ml of acetone .Heated under reflux for 40 minutes, brought to room temperature, and the sodium chloride formed is sucked in. Acetone solution of 3-iodo-2-chloro-1-propene is taken Immediately. Example 24, Methylthiomethyl 2-methylthiomethyl-7- 2- (2-aminothiazole-4- yl) -2-hydroxyiminoacetamido1-def-3-em-4-carboxylic acid, syn-isomer. Step A: 2-methylthiomethyl-7-C2- (2-tritylaminothiazol-4-yl) -2- (1- methyl 1-methoxy ethoxyimo) acetamide j-cef-3-em-4-carboxylic acid, syn-isomer. In an inert atmosphere, 5 g of 3-methylthiomethyl-7-, - (2-tritylaminothiazol-4-yl) are dissolved -2- (1-methyl-1-methoxyethoxyimino) acetamido j-cef-3-em-4-carboxylic acid, syn-isome in 16 cm of dimethylformamide and 480 mg of potassium carbonate. By: a drop of 3.4 cm of chloromethyl methylsulfide was added and stirred for 25 minutes. The mixture is poured into 200 cm of a saturated aqueous solution of sodium chloride, the precipitate formed is filtered off with suction, dissolved in chloroform, washed with a saturated solution (aqueous). X. Sodium hydroxide, dried and concentrated to dryness under reduced pressure at a temperature below. The residue is taken up in petroleum ether (bp 60-80 C) until the desired product thickens. This gives 2 g of product, which is consumed in this form in the next step. Stage B: 3-methylthiomethyl-7- 2- (2-aminothiazol-4-yl) -2-hydrochloromethylether, methyl aminoacetamido cef-3-em-4-carboxylic acid, sinisomer. 5.05 g of the methanol obtained in Step A is dissolved in 50 cm and left for 3 days at room temperature. It is concentrated under reduced pressure at a temperature below 40 ° C., the residue is taken up in 15 cm of isopropyl ether and stirred for 20 minutes at room temperature. The precipitate formed is filtered off with suction, rinsed with isopropyl ether and 4.5 g of product are obtained, which is purified by chromatography on silica (eluent: methylene chloride methanol 92-8). It is concentrated to dryness, the residue is taken up in chloroform, precipitated by addition of isopropyl ether, filtered off with suction, dried, and 0.969 g of the expected product is obtained, mp. 140 C (decomposition). UV spectrum (EtOH, 0.1N.H.). m «cc 265 mcc, E 379, 18600. NMR spectrum (SBS1) ppm: 2.08 (S-CH5 in 3) - 2.3, (S-CHj in 4); 5.51 (). Example 25. 1-C (2,2-Dimethyl-1-oxopropyl) -oxy-ethyl ester 3-methylthiomethyl-7-2- (2-aminothiazol-4-Sh1) -2-hydroxyiminoacetamido-cef-3-em -4-carboxy acid, syn-isomer. Stage A: 1-L (2,2-dimethyl-1-octoppropyl) oxy; 3-methylTHOMefyl-7-C2- (2-tritylaminothiazol-4-yl) -2- (1-methyl-1-methoxyethoxyimino) - ethyl ester AcetamidoZ-cef-3-em-4-carboxylic acid, syn-isomer. In an inert atmosphere, 3.72 g of 3-methylthiomethyl-7-C2- (2-tritylaminothiazol-4-yl) -2- (1-methylmethoxyethoxyimino) acetamido-ceph-3-em-4-carboxylic acid, syn -isomer, 7.5 cm of tetramethyl urea. 9.375 g of potassium carbonate is added, followed by 1-iodoethyl; tert.-butylcarboxylic acid ester and again within 1 h 10 min 1.125 g of potassium carbonate. Stir for 10 minutes and then pour the reaction mixture into a mixture consisting of 500 cm of water, 250 g of ice and 25 cm of 0.1 N. hydrochloric acid. Stir for 15 minutes and extract with ethyl;) physer acetic acid. Organic layer31
with water, then with a saturated aqueous solution of sodium chloride, dried and concentrated to dryness at a temperature below. 8.69 g of crude product are obtained, which is taken up in petroleum ef. (BO-C0 C) until condensed. 5.42 g of the expected product are obtained.
Stage B: 1- (2,2-dimethyl 1-oxyme l) -oxy, 3-methy-thiomethyl-7-2-(2-aminothiazol-4-yl) ethyl ester 72 hydroxyiminoacetamidoZ-cef-3-em-4-carboxylic acid , sieeomer.
The product obtained in the previous step is taken in 55 cm of 88% formic acid, stirred for 1 hour and 30 minutes, filtered, added to icing water 650 from the filtrate 650 and extracted with chloroform. The organic layer is washed with water and then with a saturated solution of sodium chloride, dried and concentrated to dryness under reduced pressure at a temperature below. 3.04 g of product is collected which is chromatographed on silica (eluant: methylene chloride 98-2). It is concentrated to dryness and: the residue is taken up in chloroform and precipitated by addition of isopropyl ether, dried, and 0.773 g of the expected product is obtained. M.p. 140 ° C
UV spectrum (ETON, 0.1N.NCT). Bend 219 MMK, E 265; 265 MMK, E, 337, E; 18,800.
NMR spectrum (CDCl1), ppm: 2.06 (CHj-S); .1.19-1.23 (t-Bu)} 1.5-1.6 (CH, -CH); 3.33 and 3.9 (CHi-S).
Used in stage A of this example, 1-iodoetts), tert-butyl carboxylic acid ester was prepared by the following method.
a) pivalic acid 2-chloroethyl ester.
61.4 cm of trimethylacetyl chloride and 250 mg of zinc chloride are mixed, stirred for 5 minutes, cooled to 40 cm of acetaldehyde and added in 1 hour. After 15 hours at room temperature, it is distilled under reduced. Pressure is collected and 29.01 g of product distilled between 56 and 58 ° C (27 mm Ni) are collected.
b) tert.-butylcarboxylic acid 1-yodate ester.
9427932
Slowly inject 7.45 g of sodium iodide into 20 cm of tetramethyl urea, mix for 10 minutes, and add 5 cm of 2-CHLORETH OUT ester to brew acid. Stir for 30 minutes at and consume this reagent immediately.
Example 26. Phenylmethyl ester of 3-methylthiomethyl-7-C2- (2-alkino10 thiazol-4-yl) -2-hydroxyiminoacetamido-cef-3-em-4-carboxylic acid, syn-isomer.
Stage A: sodium salt of 3-methylthiomethyl-7-C2- (2-aminothiazol-4-yl) -215-hydroxyiminoacetamido-cef-3-e "-4-carboxylic acid, syn-isomer.
1 g of 3-methylthiomethyl-7- 2- {2-aminothiazol-4-yl) -2-hydroxyiminoacetamido-cef-3-em-4-carbonic acid, syn-isomer, is dissolved in 2 cm of dimethylformamide and then added 3.5 cm of methanol solution of sodium acetate and 30 cm of ethanol are used. The precipitate is filtered off with suction, rinsed with ethanol and then with ethyl ether, and 0.804 g of the expected product is obtained.
Stage B: 3-methylthiomethyl 7-C2- (2-amino-thiazol-4-yl) -2-hydroxyiminoacetamido 3-cef 30 -H-e-4-carboxylic acid phenylmethyl methyl ether, syn-isomer.
0.84 g of the product obtained in stage A and 4 cm of dimethylformamide are mixed, 0.21 cm of bromobenzyl is added slowly and the mixture is left for 1 hour at room temperature. 40 cm of water are added, the precipitate is sucked off, rinsed with water and then with isopropyl ether, dried and 0.605 g of crude product is obtained, which is chromatographed on silica (eluent: methylene chloride methanol 95-5). After crystallization in isopropyl ether, 5 0.225 g of pure product are obtained, m.p. .
UV spectrum (EtOH, 0.1 n. HC1). U "KC 263-264 NWK. 19400
NMR spectrum. ppm: 2.01 (S-CHj); 7.08 (H thiazole) ;, 0 7.43 (H phenyl) i 5.3 (COiCH j 0).
Example 27. (3-Methylthiomethyl-7- 2- (2-amino-thiazal-4-yl) -2-hydroxyiminoacetamido-cef-3-em-4-carboxylic acid, (1-oxohexadcanoxy) methyl ester of 3-methylthiomethyl-7-2-yl) -2-synomer The procedure is as in Example 19, starting from 5 g of 3-methylthiometh-1-7-C2- (2-tritylaminothiazal-4-yl) -2- (1-methyl33 and
-1-methoxyethoxyimino) -acetamido-cef-3-em-4-carboxylic acid, syn-isomer, and 20 cm of acetone solution of palmitic acid iodomethyl ester. Obtain 2.02 g of product after recrystallization in petroleum ether (60-80 C). M.p. 125C.
UV spectrum (EtOH, 0, Gn.NS1). AM "IP 264 MMK, E 268, E 18700.
NMR spectrum (CDCl1), ppm: 0.89 (CHj ester); 2.37 (CHg ester)} 2.04 (S-CHj).
Palmitic acid iodomethyl ester is obtained as follows oi.
Step A: Palmitic acid chloromethyl ester. ,
Heat in an inert atmosphere with and for 20 minutes. 33 cm of porous palmitin, 3 g of paraformaldehyde and 50 kg of zinc chloride. The precipitate is brought to room temperature and dissolved in 10 cm of chloroform, 100 cm of ethanol are added, and 5 g of crystallized product are filtered off with suction.
Stage B: Palmitic acid iodomethyl ester.
The mixture consisting of 4.116 g of the product obtained in stage A and 2.025 g of sodium iodide in 20 cm of acetone is heated under reflux for 20 minutes in an inert atmosphere. The temperature is allowed to reach room temperature, otfil, dissolve insoluble substances and collect the acetone solution, which immediately. to use
Example 28-. 2,2-Dimethyl-1-oxopropoxy) methyl ester 3-methylthio1-tnl-7-C2- (2-aminothiazol-4-yl) -2-hydr xyiminoacetamido-cef-3-em-4-carboxylic acid, syn- measure.,; . The effect is as in Step A of Example 19, starting from 5 g of 3-methylthiomethyl-7-C2- (2-: tritylaminothiazol-4-yl) -2- (1-metsh1-1-methoxyethoxyimno-acetamido-ceph-3-m -4-carboxylic acid, syn-isomer, and a solution of pivalic acid iodomethyl ester, obtained by starting from pivalic acid chloromethyl ester and sodium iodide in acetone. After concentration in isopropyl ether, 4.1 g of the final product is obtained, which is used to continue the synthesis Act as in Stage B of Example 19
427934
and 1.98 g of the expected product is obtained. M.p. .
UV spectrum (ETON, N.SN). ; MctKc 264 MMK, E 325, 17700. 5 NMR spectrum (CDClj) ppm:
2.02 (CHj-S) i 3.61 (CHj-S); 6.93 (Hj thiaeol), 1.24 (t. Bu).
Example 29. 3-methylthiomethyl-7-C210 - (2-aminothiazol-4-yl) -2-hydroxyiminoacetamido |-cef-3-em-4-carboxylic acid 1-oxopentoxymethyl ester of 3-methyl-isomer.
The procedure is as in Stage A of Example 19, the outcome is 3.72 g of 3-methylthio15 methyl 7-C, 2- (2-tritylaminothiazol-4-yl) -2- (1-methyl-1-methoxyethoxyimi but) acetamido} - cef-3-em-4-carboxylic acid, syn-isomer, and n-valeric acid 20-iodomethyl ester solution.
The reaction mixture is extracted with chloroform. The organic layer is washed with a saturated aqueous solution.
5 sodium chloride and concentrated to dryness. They are taken in petroleum ether (bp 60-80 s), concentrated to dryness, taken in petroleum ether until condensed, and 4.8 g of the target are collected.
0 product.
Act as in stage B of Example 19, starting from 4.7 g of the obtained product and 28.2 cm of a 90% formic acid solution. After extraction with chloroform and crystallization in isopropyl ether, 0.6 g of the expected product is obtained. M.p. v-158c (decomposition).
UV spectrum (EtOH, 0.1 H.HCt). MrtKc 265 MMK, E {360, 8 19600. NMR spectrum (COSMS), h / Mn .:
2.03 (S-CHi) v 0.82-0.97 (CH3-CH2) i 2.3-2.46 (C-CH), v6.96 (HS thiazole) ..
5 °
Iodomethyl ester n-valeric
acids are prepared as follows.
A mixture of 12 g of paraformaldehyde and 48.2 g of chloride, n-valeric acid, to which 0.3 g of zinc chloride is added, is stirred for 4 hours at 90 ° C. Distilled under reduced pressure at 71.5-73 ° C. (20 mm N). Introduce 2.94 cm of the collected product and 2.25 g of sodium iodide in 15 cm of acetone, heat under reflux for 20 minutes, allow to reach room temperature, insoluble matter is sucked off, and 35 are collected by an acetone n-valeric ester acids that are consumed immediately. Example 30. 1-Oxobutoxime TSH13 E-methylthiomethyl-7-f2- (2-aminothiazol-4-yl) -2-hydroxyimo-acetamido-cef-3-em-4-carboxylic acid ester, syn-isomer. Act as in stage A of example 25, starting from 3.72 g of 3-methylthiomethyl 7-C2- (2-tritylaminothiazol-4. -Yl) -2- (1-methyl-1-methoxyethoxyimino) acetamidoZ-cef-3-it -4-carboxylic acid, syn-isomer, and n-butyric acid iodomethyl ester solution. 4.52 g of product are obtained, which is mixed with 45 cm of 90% formic acid. The synthesis is continued as in Stage B of Example 25 and 0.627 g of the desired product is collected. M.p. 160С (decomposition). UV spectrum (EtOH, 0.1 H.HCI). Bend 261 MMK, E, 290, f 15300; 264 MMK, E; 355, e 18800. NMR spectrum, ppm: 0.86-1.02 (CH, propyl); 2.27-2.43 (CG-CHi), 5.88 (C-O-CHj-O-); 6.94 (Hg of thiazole 6 Iodomethyl ester of n-butyric acid was prepared as follows. 12 g of p-formaldehyde and 42.6 g of n-butyryl chloride are mixed and 1 g of zinc chloride is added, stirred for 3 hours at room temperature, and then 4 hours at 90 ° C. Distilled under a pressure of 180-190 mm. Into the fraction whose boiling point is between 104-107 ° C. 2.8 cm of product taken in a mixture of 6 cm of tetramethylurea and 3.4 g of sodium iodide are slowly introduced stirred for 2 hours, sucked off and the filtrate was immediately consumed Example 31. Acetyloxymethyl ester 3-methylthiomethyl -7-.2- (2-aminothiazol-4-yl) -2-hydroxyiminoacetamidoZ-cef-3-em-4-carboxylic acid, syn-isomer. Operate as in lrimer 18, starting from 5 g 3-methylthiomethyl -7- 2- (2-tritylaminothiazol-4-yl) -2- (1-methyl -1-methoxyethoxyimino) acetamido-cef-3-em-4-carboxylic acid, syn-isomer, and 20 cm of acetone solution of iodomethyl acetic acid ester containing 1.92 g of acetic acid chloromethyl ester and 2.67 g of sodium iodide. Prior to purification 9 by the chromatographic method, the residual formic acid is removed by distillation with nitromethane. Collect 1.677 g of the desired product (pure). M.p. (decomposition). UV spectrum (EtOH, 0.1N.H.). 263 MMK, E 354, 17800. Nuclear Magnetic Resonance Spectrum (DMSO), ppm: 2 (CHjS); 2.04 (SLA), 5.86 (COOCH O) 6.72 (Hj thiazole). Example 32 3-methylthiomethyl-7- 2- (2-aminothiazol-4-yl) -2-hydroxyiminoacetamido-cef-3-em-4-carboxylic acid 3,3-dimethyl-2-oxobutyl ester of 3-methylthiomethyl-7-amino-isomer. Stage A: 3-methylthiomethyl-7-2-(2-tritylaminothiazol-4-yl) -2- (1-methyl-1-methoxyethoxyimine6) -acetamido 3-cef-3-em 3,3-dimethyl-2-oxobugyl ester -4-carboxylic acid, syn-isomer. Act as in stage A of example 25, starting from 5 g of 3-methylthiomethyl-7-2-(2-tritylaminothiazol-4-yl) -2- (1-methyl-1-methoxyethoxyimino) acetamidoZ-cef-3-it- 4-carboxylic acid, syn-isomer, 0.47 g of potassium carbonate, 27 cm of tetramethyl urea and 0.95 cm of bromopinacoline. 7.5 g of product are obtained, which is used in this form in the next step. Stage B: 3-Meth1thiomethyl-7- 2- (2-aminothiazol-4-Sh1) -2-hydroxyiminoacetamidoZ-cef-3-em-4-carboxylic acid 3,3-dimethyl-2-oxobutyl ester 3-syn-isomer. Act as in stage B of example 25, starting from the product obtained in stage A and 53 cm of 90% formic acid. Prior to purification by chromatographic method, distil with nitromethane to remove residual formic acid. This gives 1.392 g of the desired product. M.p. 160 ° C 3 (decomposition). UV spectrum (ETON, O, 1 N.NS). ; 1mmis264 mmk, E 388, 20500. NMR spectrum (CDClj), ppm: 1.23 (ti); 4.82-5.1 and 5.13-5.41 (cbo-CHjCO). Example 33 1- (1-Oxopropyloxy) -ethyl ester of 3-methylthiomethyl-7- 2- (2-aminothiazol-4-up) -2-hydroxyiminoacetamido-cef-3-em-4-carboxylic acid, syn-isomer. Act as in example 19, based on 10 g of 3-methylthiomethyl-7-C2- (2-tritylaminothiazol-4-nl) -2- (137
-methyl-1-methoxyethoxyimino-acetamido-cef-3-em-4-carboxylic acid, syn-isomer, and 5.4 cm prepared before use, propionic acid bromo ethyl ester. After treatment with formic acid, distilled with nitromethane to remove residual formic acid. 1.5 g of the expected product are obtained, which is purified anew by the chromatographic method on silica (eluent: methylene chloride - methanol 92.5-7.5). Collect .566 g of pure product, m.p. l130s.
UV spectrum (EtOH, 0.1 H.HCf). M.S. 264 MMK, E 364, 19300.
NMR spectrum (CDCl1), ppm: 1.5-1.6 (CHj-CH), 7.05 (Hj thiazole).
This propionic acid ethyl ester is prepared as follows.
Under reduced pressure, 9 cm of propionyl bromide and 50 mg of zinc chloride are mixed, the solution is cooled to -15 ° C, 5.4 cm of acetaldehyde is added dropwise, and then the temperature is allowed to reach room temperature.
Example 34. 1- (1-Oxobutyl) -oxyethyl ester of 3-methylthiomethyl-7- .2- (2-aminothiazol-4-yl) -2-hydroxyiminoacetamido 3-cef-3-em-4-carboxylic acid, isomer.
Act as in Example 19, starting from 5 g of 3-methythiomethyl-7- 2- (2-tritylaminothiazol-4-yl) -2- (1-methyl-1-methoxyethoxy-imino) -methamidr3-cef-3-em-4 -carboxylic acid, syn-isomer, and solution of iodoethyl ester of butyric acid. Prior to purification by chromatography, the residual formic acid is removed by distillation with nitromethane. 0.530 g of pure desired product is obtained. M.p. .
UV spectrum (EtOH, 0.1N.H.). 264 MMK, E, 353, 19200.
NMR spectrum (CDCl1), h / mpn: 0.87-1.03 (CHj-CCHg)); 1.54-1.6 (CHj-CH); 2.09 (CHj-S) -, 7.08 (Hj thiazole).
The iodo ethyl ester of butyric acid is obtained in the following way.
Step A: Butyric acid chloroethyl ester.
In an inert atmosphere and at 16 ° C, 52 cm of butyryl chloride and 31 cm of acetaldehyde are mixed, they are drunk in a flask, 0.11 g of iron trichloride is added and the bottle is sealed. After 18 h at room 9427938
The reaction mixture was poured into 200 cm of petroleum ether (bp 6t) -80c), treated with activated charcoal, filtered and the filtrate was distilled under reduced pressure at a temperature below 30 ° C. A fraction is collected which is distilled between 64 and (34 mm Hs-).
Q Stage B: Butyric acid iodoethyl ester.
4 g of chloro ethyl ester of butyric acid in 16 cm of dimethylacetamide are mixed and a little more is added
5 g sodium iodide. Stir for 15 minutes and mix immediately.
Example 35 1-(1-Oxohexadecyl) -oxyethyl ester 3-methyl20-thiomethyl-7- 2- (2-aminothiazol-4-yl) -2-hydroxyiminoacetamido-cef-3-em-4-carbic acid, syn-isomer .
Act as in Example 25, out of 744 mg of 3-methylthiomethyl-7-C225 - (2-tritylaminothiazol-4-sh1) -2- (1-methyl-1-methoxyethoxy-imino) acetamido} -cef-3-it- 4-carboxylic acid, syn-isomer, 1.5 cm of tetramethylurea, 78 mg of carbonate; Kali,
30 prepared before consumption of palmitic acid iodoethyl ester, and 210 mg of potassium carbonate are added again. After extraction with chloroform, the product is taken up in 45 cm of 98% formic acid. After extraction with chloroform and concentration in petroleum ether (bp 60-80 s), 0.353 g of the expected product is obtained. M.p. 108 ° C.
C UV spectrum (EtON, 0.1 N.NS). Bend 218 MMK, E 215, - "". With 265 MMK, E 266, 6 18900.
NMR spectrum (CDCl1), ppm: 0.88 (CHj (CH2) n) i 1.5-1.6 (CH3-CH),
j 2.06 (CH3-S) i 3.63. (CHjS).
Example 36. 3-Methylthiomethyl-7- 2- (2-aminothiazol-4-W1) -2-hydroxyiminoacetamido}-cef-3-pm-4-carboxylic acid 2-propenal ester. syn isomer.
Act as in Example 19, starting from 3.72 g of 3-methylthiometh-1-7-2- (2-tritylaminothiazol-4-yl) -2- (1-methyl-1-methoxyethoxy-imino) -acetamido-cef-3-em- 4-carboxylic acid, syn-isomer, in dimethylacetamide instead of dimethylformamide and 1.85 cm of allyl iodide. Get 1,128 g of pure product. M.p. / "137 ° C (decomposition).
UV spectrum (EtOH, 0.1N.H.). 262 MMK, E 393, 18500,
NMR spectrum (CDCl1), ppm: 2.08 (CHiS), 4.73-4.83 (COO-CHj) -, 5.08-6.5 (2 and H / 3-lactam) -, s
7.08 (Well thiazole).
Example 37: 3-Methylthiomethyl-7-C2- (2-aminothiazol-4-yl) -2-hydroxyiminoacetamido-cef-3-em-4-carbon O-2,2-Dimethyl Ethyl Ester
acids, syn-isomer.
Stage A: 2,2-dimethylether 1-methyl 3-methylthiomethyl-7-C2- (2-tritylaminothiazol-4-yl) -2- (1-methyl-1-methoxyimi-. But) -acetamido 3-cef-3-e -4-carboxylic acid, syn-isomer.
A solution of 1.49 g of 3-methylthiomethyl-7-L 2- (2-tritylaminothiazal-4-yl) -2- {1-methyl-1-methoxyethoxyimino-20-acetamido-ceph-3-em-4 is heated under reflux. -carboxylic acid in 30 cm of ethyl acetate and 0.8 g of O (tert-butyl) NN diisopropyl urea. Ice nt, suction, and the filter is concentrated to dryness under reduced pressure.
Stage B: 3-methylthiomethyl-7- 2- (2-aminothiazod-4-yl) -2-hydroxyiminoacetamidoZ-cef-3-pm-4-carboxylic acid 2,2-dimethyl ethyl ester, syn synomer.
The residue is taken up in 7.5 cm of 67% formic acid, stirred for 15 minutes at 49 s, 3 cm of water is added, sucked off, the insoluble matter is removed, the solvent is removed from the filter under reduced pressure at, the residue is taken up a solution of ethanol (1-1), and then with water, dried to obtain 1.237 g of a crude product, which is purified by chromatography on silica (eluent: methylene chloride - methanol 9-1). Get 0.45 g of pure product. 45 m.p. 107C (decomposition).
UV spectrum (ETON). .1d, „ks 223 mmk, 18100, 260 mmk, 13500.
(EtOH, 0.1 N.HC1) .50
Bend 220 mmk, 2.64 mmk, I 18600.
Nuclear Magnetic Resonance Spectrum (CDCI), h / npn: 1.54 (T.Bu) i 2.11 (CHj-S); 7.08 (Well thiazole) .55
П РИМ e 38. 2-Methoxy-2-oxoethyl ester Z-methylthiomethyl-7-C2- (2-aminothiazol-4-yl) -2-hydroxyiminoacetamido}-cef-3-em-4-carboxylic acid, syn-isomer .
Act as in Example 19, starting from 3.44 g of 3-methylthiomethyl-7- 2- (2-tritylaminothiazol-4-yl) -2- (1-methyl-1-methoxyethoxyimino) acetamido 3-cef-3- em-4-carboxylic acid, syn-isomer, and 10 cm of acetone solution of acetic acid iodomethyl ester. 2.8 g of product are obtained, which is triturated for 10 minutes, with BOS from 5.6 cm of pure formic acid and 16.8 cm of 50% formic acid, the precipitate is removed, the filtrate is distilled with nitro methane and the mixture is concentrated. . The residue is taken up in chloroform and precipitated with isopropyl ether, dried, and 1.65 g of crude product is collected. The residue is taken up in 90 cm of ethyl acetate and 90 cm of O, 1N. hydrochloric acid, extracted with ethyl acetate, the combined organic layers are concentrated to dryness, the residue is taken up in chloroform and precipitated by addition of isopropyl ether. The chromatographic method is purified anew on silica (eluent: methylene chloride - methanol 92.5-7.5) and 0.4 g of the pure desired product are obtained. Mp. 156 ° C (decomposition).
UV spectrum (EtOH, 0.1 n. HC1). with 264 MMK, E 383, e 19200.
NMR spectrum (CDC1.3), ppm: 2.07 (S-CH3); 3.68 (S-CH); 3.8 (COO-CH3), 7 (H, thiazole).
Acetic acid iodomethyl ester was prepared as follows.
In an inert atmosphere, 1.6 cm of mono-chloro-acetic acid methyl ester, 2.72 g of sodium iodide in 20 cm of acetone are mixed and heated under reflux for 25 minutes, sucked off and the filtrate is collected and taken up immediately.
- Example 39. 3-methoxymethyl-7-C2- (2-amino-thiazol-4-yl) -2-hydroxyiminoacetamido-cef-3-em-4-carboxylic acid 1-acet-1-ethyl ethyl ester 3-methoxymethyl-syn-isomer.
Stage A: 3-methoxymethyl-7-C2- (2-tritylaminothiazol-4-nl) -2- (1-methyl-1-methoxyethoxy) -iminoacetamido J-cef-3-em-4-carboxylic acid 1-acetal-1-ethyl-ethyl ester the syn isomer.
A mixture of 10.92 g of 3-methoxymethyl 1 (2-tritylaminothiaeol-4-yl) - (1-methyl-1-methoxyethoxyimino) -acetate amido3-cef-3-em-4-carboxylic acid syn isomer, 55 cm of dimethylformamide and .1.28 g of potassium carbonate. The solution is cooled to and add 3.4 cm of 1-bromoethyl ester of acetic acid, mix for 20 minutes, add 0.1 g of potassium carbonate and 0.3 cm of 1-bromoethyl ester of acetic acid, mix for 25 minutes, add 550 cm of water , 150 cm of ethyl acetate and 25 cm (M) of an aqueous solution of sodium bicarbonate are decanted, extracted with ethyl acetate, dried, concentrated to dryness under reduced pressure and at a temperature below 30 ° C. 14.3 g of product are obtained. Stage B: 3-methoxymethyl-7-C2- (2-aminothiazol-4-b1) -2-hydroxyiminoacetamido-cef-3-em-4-carboxylic acid 1-acetyloxyethyl ester of 3-methoxymethyl-7-C2-, syn-isomer. 14.3 g of the product of stage A are dissolved in 61 cm of 66% formic acid, stirred for 10 minutes at, add 24 cm of water, the precipitate is removed, the filtrate is concentrated under reduced pressure, taken in -50 cm of methylene chloride, 350 cm water and 10 cm of an aqueous solution of sodium bicarbonate, decanted, extracted with methylene chloride, rinsed with water, dried, distilled to dryness under reduced pressure,; taken with ethyl acetate, sucked off and dried 4.87 g of the target product. UV spectrum (ETON). 223 MMK, E {287, 19300, Lm ks 259 MKK, E 285, 14200. (ETON, 0.1 H.HCI). Bend 219 mmk, EI 286, mcc 261-262 mcc, E 390, 19500, NMR spectrum of CDMSO), h / mpn: 1.43-1.51 (CH3-CH-) 2.08 (OAc) ; 3.58 (CHj-S) 3.25 (0-CH5) i (Hj thiazole). Example 40. 1-C (1-Oxoethyl) -oxy ethyl ester 3-ethoxymethyl-7-C2- (2-aminrthiazol-4-yl) -2-hydroxyimoacetamido-cef-3-em-4-carboxylic acid, syn isomer. Act as in Example 39, starting from 6 g of 3-ethoxymethyl-7-C2- (2-tritylaminothiazol-4-yl) -2- (1-methyl -1-methoxyethoxyimino) acetamido 942-cef-3-em-4 -carboxylic acid, prepared according to example 8, and 2.1 cm of 1-bromoethyl ester of acetic acid. 1.76 g of the expected product is obtained. UV spectrum (ETQH). The bend is 220 mhq, E 268, hl 264 mhk, E, 369, 18900. (ETON, 0.1 N.HCN1). Bend 219 mmk, E 286, max 261 mmk, E 390, 19500. Nuclear Magnetic Resonance Spectrum (DMSO), ppm: 1-1, 12-1.23 (СНз 0-Ет) -, 1.45 1.53 (); 2.06 (OAc) -, 6.73 (Hj thiazole). PRI mere. 41. 1.-Methoxycarbonyloxyethyl ester of 3-methylthiomeTP1-7-2- (2-aminothiazol-4-yl) -2-hydroxyiminoacetamido-cef-3-em-4-carboxylic acid, syn-isomer. Act as in Example 19, starting from 3.72 g of 3-methylptyomesh1-7-7- (2-tritig1-aminothiazol-4-yl) -2- (1-methyl-1-methoxy-ethoxyimino) -acetamido3-cef-3- em-4-carboxylic acid, syn-isomer, and 3.2 g of carbonate of iodoethyl and methyl and get 1.12 g of the pure desired product. UV spectrum (EtOH, 0.1 H.NS1). Ldics 265 mcc, Ej, 365, t 19400. NMR spectrum (CDClj), h; ppm: 1.53-1.63 (CHj-GH) -, 2.06 (S-CHP-, 3.83 (COOCHj); 7.95 (Hg thiazole), 6.75-7.16 (CH-CHj). Iodoethyl and methyl carbonate was prepared as follows: a) Chloroethyl 1-chloroethyl ester. Chlorine is bubbled into 200 cm of ethyl chloroformate ester for 8 hours, sealed, and left to rest for 5 days. Concentrate under reduced pressure (50 mm N) and collect the fraction distilled between: 42 and .. b) Chloroethyl and methyl carbonate. In an inert atmosphere, 5 cm of ethyl chloroformate and 16 cm of methanol are mixed and stirred for 1 hour at room temperature. c) Iodoethyl and methyl carbonate. The mixture is taken up in 38 cm of acetone, 10.9 g of sodium iodide are added,. heat for 5 minutes with a reflux with NIKOM, and then allow the temperature to rise to room temperature. Distilled under reduced pressure at a temperature below 40 ° C, the residue P 43 100 cm of ether and 75 cm of water are taken. The aqueous layer was decanted, extracted with ether, the organic layer was washed with water, and then with a 0.25 M aqueous solution of sodium metabisulfite, and then with water, and finally with a saturated aqueous solution of sodium chloride. Drying is concentrated to dryness under reduced pressure (max. Temperature) and immediately consumed with this mixture. Example 42 1-C (Ethoxycarbonyl) oxy ethyl ester of 3-methylthiomethyl-7-t (2-2-aminothiazol-4-yl) -2-hydroxyiminoacetamido-cef-3-em-4-carboxylic acid, isomer. Act as in Example 19, starting from 3-methylthiomethyl-7- 2- (2-tri-amino-thiazol-4-yl) -2- (1-methyl -1-methoxyethoxyimino) acetamidoZ-cef-3-em-4-carboxylic acid, syn-isomer and carbonate of iodoethyl and ethyl. Iodoethyl carbonate and ethyl were obtained in the same way as iodoethyl carbonate and methyl in Example 41. NMR spectrum (CDCl1), ppm: 1.2-1.45 (CHj COO-Et)} 1.55-1 , 64 (CHj-CH) 6.9 (Hj thiazole); 2.08 (S-CHj). Example 43. (Methoxycarbonyl) oxy 3-methylthio-methyl-methyl 7-2- (2-aminothiazol-4-yl) -2-hydroxyiminoacetamido-3-cef-3-em-4-carboxylic acid methyl ester methyl ester. Act as in Example 19, starting from 5 g of 3-methyles of 1-methyl-7-2- (2-tritylaminothiazol-4-yl) -2- (1-methyl-1-methoxyethoxyimino) acetamido-cef-3-em-4 -carboxylic acid, syn isomer, and 7.93 g of mono iodide carbonate. 0.537 g of the pure product is obtained. UV spectrum (EtOH, O, 1 N. HCl). 265 MMK, E {371, e 19200 NMR spectrum (CDClj), ppm: 2.03 (S-CHj) 3.85 (); 6.96 (Well thiazole) 5.91 (). Monoiodide carbonate is obtained by the following method. a) Carbonate monochloride. At 65 s and in an inert atmosphere, 30 cm of dimethyl carbonate are heated and chlorine is bubbled in for 5 hours and then quenched for 56 hours. Concentrated under reduced pressure and 7.8 cm of product distilled between 59 and 50 mm Hq are collected.) 7944 b) Monoiodide carbonate. Heat for 1 h 30 min with 5 cm of the product obtained, 7.8 g of sodium hydroiodide and 30 cm of acetone. It is concentrated to dryness, the residue is taken up in 100 cm of ether and 100 cm of water, stirred for 5 minutes, decanted and the aqueous layer is extracted with ether. The organic layer is washed with an aqueous solution of sodium metabisulfite (M) and then with water and finally (with an aqueous solution of sodium chloride. Dried and evaporated to dryness under reduced pressure (max. Temperature. 40 ° C). Reagent is obtained Example 44. 3-Methylthiomethyl-7- 2- (2-aminothiazol-4-yl) -2-carboxymethoxyiminoacetamido 3-cef-3-em-4-carboxylic acid, syn-isomer. Step A: salt of triethylamine 3- methylthiomethyl-7-C2- (2-tritylaminothiazol-4-yl) -2-hydroxyiminoacetamido3-cef-3-em-4-carboxylic acid, syn-isomer. Solution 14.88 g of 3-methylthiomethyl-7- 2- (2-tritylaminothiazol-4-yl) -2- (1-methyl-1-methoxyethoxyimino) acetamido-cef-3-em-4-carboxylic acid, syn- isomer, 60 cm of acetone using 20 cm of 2N hydrochloric acid. Stir for 1 h 10 min at room temperature, distill off acetone, dilute with 100 cm of water, suction off and rinse with water. The crude product is taken up in 60 cm of acetone and 6 cm of water. Add 2.8 cm of triethylamine, seeded crystallization and destroy in 20 cm of acetone, sucked off, concentrated in acetone, and then in ether. A first emission of 11.4 g is obtained, and then after taking up the residue in acetone, 0.85 g of the second emission is obtained. This gives a total of 12.25 g of product. NMR spectrum (DMSO), ppm: 1.96 (CHj-S-); 6.66 (5 thiazole proton), 7.36 (trityl protons). Stage B: salt of triethylamine 3methylthiomeshch1-7-C2- (2-trityl Otazol-4-yl) -2 - ((1,1-dimethylethoki / -carbonylmethoxyimino) -acetamio} -ceph-3-em-4-carboxylic acid, in isomer. 3.09 g of the triethylamine salt obtained in Tadia A are mixed with 30 cm of demineralized water and 60 cm of methylene chloride, and then added with 5 cm of triethylamine and then 4.8 g of bromoxycarbonate t-butyl ester. Stir for 2 hours and 30 minutes at 20-25 seconds. Acidic acid 10 cm 2 n. hydrochloric acid is decanted, washed with dichloromethane and methylene, and then 2 times 100 cm of water. Extract the washings with methylene chloride (2 times 20 cm). Drying the organic layers, it is filtered off with suction, rinsed and distilled to dryness in vacuo. The resulting resin was turned into a dough in ether, sucked off, rinsed with ether and dried in vacuo at. Get 3 grams of acid. The product is taken up in a mixture of benzene 7.5 cm and triethylamine 0.7 cm. After dissolving, the mixture is diluted with 75 cm of ether, and the precipitate is sucked off and rinsed with 3 times 2 cm of ether. The resulting product is dried, i.e. 2.4 The product is consumed in this form in the next stage. NMR spectrum (SBSI3), h / mpn: 2.04 (CHj-S-); 4.76 (N-0-CH2) -, 6.9 (proton at 5 thiazole), 7.36 (trityl protons). Stage B: 3-methyl-polymethyl-7-2- (2-aminothiazol-4-yl) -2-carboxymethoxyiminoacetamido-dis-3-em-4-carboxylic acid, syn-isomer. Stir for 25 minutes with a mixture of 2.3 g of the salt obtained in stage B in 11.5 cm of trifluoroacetic acid. Most of the trifluoroacetic acid is distilled on a water bath. They are taken in 100 cm of isopropyl ether while cooling. Stir 30 shn at 20 s, suction off, rinse with isopropyl ether, and dry the product under vacuum for 20 s. 1.957 g of crude product are obtained. The product is purified as follows: The product is dissolved in a mixture of 5 cm of a sodium bicarbonate solution and 0.3 cm of triethylamine, and this solution is diluted in 5 cm of saline water. Chromatography is carried out on silica with salt water (2 M) with a 4% molar solution of sodium bisulfite. Elution at pH 4 is precipitated with a 50% aqueous solution of formic acid. After washing and drying, 0.376 g of the expected product is obtained. Calculated,%: C 3.42; H 3.51; N 14.36; S 19.73. 46 9 (mol.m. 487,534). CifH, TO, NsS3 Found: C 39.6-, H 3.7, N 14.2S 18.7. S NMR spectrum (DMSO), ppm: 2 (CHj-S-); 4.63 (NO-CHp, 6.85 (proton in 5 thiazole). EXAMPLE 45. 3-Methylthiomethyl-7-C2- (2-aminothiazol-4-yl) -2-ethoxycarbonyloxyiminoacetamidoZ-ceph- 3m-4-carboxylic acid, syn-isomer. Step A: 3-methylthiomethyl-7-C2- (2-tritylaminothiazol-4-yl) -2-ethoxycarbonyloxyiminoacetamido-cef-3-et-4-carboxylic acid triethylamine salt , syn-isomer. 2.32 g of triethylamine salt obtained in Step A of Example 44 are mixed in a mixture of 23 cm of dry methylene chloride and 0.5 cm of pyridine. In 3 min, 0.6 cm of ethyl chloroformate is added (at room temperature) Leave in flow 15 minutes at room temperature. 25 cm of water containing 6 cm of 1N hydrochloric acid are added. The aqueous layer is decanted and rinsed with 5 cm of methylene chloride. The organic layers are combined and dried, sucked off, rinsed with methylene chloride and then distilled the solvent is taken up. The residue is taken up in 2D cm of ethyl acetate and stirred until complete dissolution. 0.5 cm of triethylamine is added. Srl precipitates. Sucked off, rinsed with ethyl ether and then with ether. Dry and get 1, 1.49 g of product. Stage B: 3-methylthiomethyl-7- 2- (2-aminothiazol-4-yl) -2-ethoxycarbonyloxyiminoacetamido-cefg3-em-4-carboxylic acid, syn-isomer. The salt obtained in the preceding step is completely taken up in 7.6 cm of 67% formic acid. Stir for 10 minutes at 45 C. Triphenyl carbinol is sucked off and rinsed with 67% formic acid. After drying, 0.434 g of product is obtained. The solvent is distilled off under reduced pressure at about 3.55. The residue is taken up with water, destroyed, sucked off, and then rinsed with water. To the resulting crude product, 0.319 g of the crude product was added, in the same way as the other handling time.
47
The product is dissolved in a 0.5 M solution of sodium bicarbonate and then precipitated on 30 g of silica. Eluirpot salt water (3 M) containing 4% sodium bicarbonate. The fractions containing the desired product are acidified with acetic acid (pH 3). The purified product precipitates, it is left for 30 minutes at room temperature, and then sucked off and concentrated 4 times in water, dried under reduced pressure, and 0.708 g of the expected product is obtained.
Calculated,%: C 40.7 H 3.8; N 14.0; S 19.2.
 (mol.m. 501.56).
Found,%: C 40.7; H 3.7j N 13.9 S 19.3.
NMR spectrum (MDSO),.: 1.26 (t. COzSN -CH3 J 7 Hz), 2 (CHj-S-), 4.25 (o, COj-CH -CH, J 7 Hz).
Example 46 3-methylthiomethyl-7- 2- (2-aminothiazol-4-yl) -2-oxyimino-acetamido-cef-3-em-4-carboxylic acid phenylacetoxymethyl ester 3-methyl-isomer.
Stage A: Phenylacetoxymethyl ester of 3-methylthiomethyl-7- 2- (2-tritamine-aminothiazol-4-yl) -2- (1-methyl-1-methoxy) -etbcciimino-potassium-thiaz-3-cef-3-m-4-carboxylic acid, syn- isomer
3.72 g of 3-methylmethyl-7- 2- (2-tritylaminothiazol-4-yl) -2- (1-methyl-1-methoxy) -ethoxyiminoacetamido-cef-3-em is mixed at room temperature for 15 minutes 4-carboxylic acid, syn-isomer, with 0.43 g of potassium carbonate in 18 cm of dimethylformamide. Cooled before and slowly add 20 cm of the suspension of iodomethyl phenyl acetate obtained before use, mix for 30 minutes at 5-10 ° C, add 0.215 g of potassium carbonate, then after stirring for 9 minutes the rest of the iodine-containing reagent. Stir for 15 minutes and allow the temperature to slowly rise to room temperature. The reaction medium is added to a mixture of water with ethyl acetate, stirred, an aqueous solution of sodium chloride is added, decanted, extracted with ethyl acetate, the organic phase is washed with an aqueous solution of sodium chloride, dried and concentrated to dryness under reduced pressure. Processing balance27948
ether, suction, and 4.6 g of the expected product is obtained, which is used for the next step. Stage B: Phenylacetoxy methyl ester 3-methyl-Imeetch-1-7-2- (2-aminothiazol-4-yl) -2-oxyiminoacetamido-cef-3-em-4-carboxylic acid, syn-isomer.
The papuchenny in stage A product is heated at 50-55 ° C for 2-5 minutes in 23 cm of an aqueous 66% formic acid solution, concentrated to dryness under reduced pressure, the residue is treated with 200 cm of a mixture of water with ethyl acetate (1: 1) by adding 12.5 cm of an aqueous solution (M) of sodium bicarbonate are decanted, the aqueous phase is extracted with ethnpacetate, the organic phase is extracted with ethyl acetate, the organic phase is dried, and concentrated to dryness under reduced pressure. The residue is treated with diethyl ether, sucked off, dried and obtained 2.14 g
a product that is purified by chromatography on silica (eluent: methylene chloride-methanol 93: 7) and recrystallized from diisopropyl ether.
0.67 g of the expected product is obtained. NMR spectrum (CDCl1), ppm: 7.07 (Hj thiazole); 2.05 (8СНз) 5,085, 17 (Н in position 6); 5.97 (H in position 7).
PR and M 47. 1- (2-Propenyloxycarbonyloxy) -ethyl ester 3-methylthiomethyl-7-C2- (2-aminothiazol-4-yl) -2-oxyiminoacetamido-cef-3-em-4-carboxylic acid the syn isomer.
Stage A: 1- (2-Propenyloxycarbonyl) -ethyl ester 3-methylthiomethyl-7- 2- (2-tritylaminothiazol-4-yl) -2- ((1-methyl-1-methoxy) -ethoxyimino) acetamido-ceff -3-em-4-carboxylic acid, syn-isomer. .
In an inert atmosphere, 200 g of potassium carbonate are mixed with 10 cm of dimethylformamide, stirred for 1 hour at room temperature, and 1.05 g of 3-methylthiomethyl-7gC2- (2-tritylamine thiazol-4-yl) -2- (/ 1- methyl 1-methoxy / -ethoxyimino) acetamido-4-carboxylic acid,
syn isomer. To the resulting solution was added a suspension of mixed 1-iodomethyl and aplyl carbonate, prepared immediately prior to use. The mixture is stirred for 30 minutes at room temperature, poured into a mixture containing 300 cm of ice water and 100 cm of ethyl acetate, to which 3 cm 1 n is added. hydrochloric acid, decanted, extracted with ethyl acetate, washed with an accurate solution of sodium chloride, then with a 0.5 M solution of sodium thiosulfate, then again with a solution of sodium chloride, dried and concentrated to dryness under reduced pressure. The residue is chromatographed on a silica (ztyluating agent: ztylacetate - ethanol - water 7: 2: 1) and the residue is limited to diisopropyl ether. 1.19 g of the expected product are obtained. M.p. 200-210 C. Step B: 1- (2-propenyloxy-carbonyloxy) -3-methylthio methyl-7-C2- (2-aminothiazol-4-yl) -2-oxyiminoacetamido-cef-3-em-4 ethyl ester -carbonic acid, syn-isomer. 920 mg of the product obtained in step A are dissolved in 11 cm of methanol, 1.3 cm of 1N is added. hydrochloric acid and stirred for 18 h at room temperature, concentrated to half under reduced pressure without heating, drank in ice water, neutralized with aqueous sodium bicarbonate solution, decanted, extracted with methylene chloride, washed with saturated sodium chloride solution, dried and concentrated under reduced pressure. The residue is taken up in diisopropyl ether, filtered off with suction and dried, and 437 mg of the expected product is obtained, m.p. 120, otj -18 ± 2 (with 0.5%, CHClj. Following the procedure of Example 1 or 2, starting from 3-methypthiomethyl-7-2- (2-tritclaminothiazol-4-yl) -2 - (/ 1-methyl - 1-methoxy / -ethoxyimino) -acetates to-cef-3-em-4-carboxylic acid, syn-isomer, and the corresponding halo-derivative, 3-methylthiomethyl-7-C2- (2-amyothiazol-4-sh1 esters are obtained) ) -2-ethoxyiminoacetate DoZ-cef-3-em-4-carboxylic acid, from the compounds shown in table 1.
Thus, the following compounds were obtained.
EXAMPLE 48. 1- (2-7Methoxyethoxy-carbonyloxy) ethyl 3-methylthiomethyl-7- 2- (2-aminothiazole) ethyl ester 56. 1- (2-methoxyethoxycarbonyloxy) ethyl 3-methoxymethyl-1 7-C2- (2-aminothiazol-4-sh1) -2-oxyiminoacetamide-cef-3-em-4-carboxylic acid, syn-isomer. 7950 -A-yl) -2-oxyiminoacetamido-cef-3-it- 4-carboxylic acid, syn-isomer. Example 49. 1- (2-Methoxy-1-oxo-ethyloxy) -ethyl ester 3-methythiomethyl-7-2- (2-aminothiazol-4-yl) -2-oxyiminoacetamido-ceph-3-em-4-carboxylic acids, syn-isomer. Example 50. 1- (2-Thienylmethoxy-carbonyloxy) -ethyl ester of 3-methylthiomethyl-7-C2- (2-aminothiazol-4-yl) -2-oxyiminoacetamido-cef-3-em-4-carboxylic acid, syn- isomer. Example 51 3-methylthiomethyl-7- 2- (2-aminothiazol-4-yl) -2-oxyiminoacetamido-cef-3-em-4-carboxylic acid 1-methylthiocarbonyloxyethyl ester of 3-methylthiomethyl. Example 52. 1- (2-Trimethylsily-ethyloxycarbonyl-1) ethyl 3-methylthiomethyl-7-2- (2-aminothiazol-4-yl) -2-oxyiminoacetamido-3-cef-3-em-4-carboxylic acid ester isomer. Example 53. N-Methylphthalimide 3-methylthiomethyl-7-C2- (2-aminothiazol-4-yl) -2-oxyiminoacetamidoj-cef-3-: eme-4-carboxylic acid, syn-isomer. Example. 54. 1-Cyclopropylcarbonyloxyethyl ester 3-methylthiomethyl-7-C2- (2-aminothiazol-4-yl) -2-oxyiminoacetamido-cef-3-it-4-carboxylic acid, syn-isomer. Analogously to example 46 or 47, starting from 3-methoxymethyl-7- 2- (2-tritipaminotiazol-4-yl) -2- (1-methyl-1-methoxy) -ethoxyimino-acetylamido-cef-3-em-4- carboxylic acid, syn-isomer, and the corresponding halo of the genated derivative, 3-methoxymethyl-7- 2- (2-aminothiazol-4-yl) -2-oxyimino-acetamido-ceph-3-em-4-carboxylic acid esters are obtained and compounds shown in Table. 2.. Thus, the following compounds were obtained. EXAMPLE 55 1-Methoxycarbonyloxyethyl ester of 3-methoxymethyl-7- 2- (2-aminothiazol-4-yl) -2-oxyiminoacetamido-cef-3-em-4-carboxylic acid, syn-isomer.
51
Example 57. 1- (2-Cyanoethoxcarbonyl-oxy) ethyl ester 3-methyloxymethyl-7-2- (2-aminothiazol-4-Sh1) -2-oxyiminoacetamido-cef-3-em-4-carbonic acid, syn-isomer .
Example 58. (2-Methoxy) -ethoxy-ethoxycarbonyloxy-3-methoxymethyl-7-2- (2-aminothiazol-4-yl) -2-oxyiminoacetamidoZ-cef-3-em-4-carboxylic acid ethyl ester isomer.
Example 59. 1- (2-Trifluoroethoxy) -carbonyloxy-ethyl ester, 3-methoxymethyl-7-C2- (2-aminothiazol-4-yl) -2-oxyiminoacetam Do1-cef-3-em-4-carboxylic acid, syn isomer.
Example. 60. 1- (1,3-Benzodioxol-b-yl) methoxy-carbonyloxy ethyl ester 3-methoxymethyl-7-C2- (2-aminothiazol-4-yl) oxyiminoacetamidoZ-cef-3-em-4-carboxylic acid, syn from omer.
EXAMPLE 61. 1- (Phenylcarbonipoxy) -E1 3-methoxymethyl-7- 2- (2-aminothiazol-4-yl) -2-oxyiminoacetamido2 cef-3-om-4-carboxylic acid ethyl ester, syn isomer.
Example 62. 1-C (2-Ocethes1thio) -carbonyloxy-ethyl ester of 3-methoxymethyl-7-C2- (2-aminothiazol-4-yl) -2-oxyiminoacetamido-cef-3-em-4-carboxylic acid, syn -isome
Example 63. 1- (Propoxycarboxy-1) ethyl 3-methoxymethyl-7- .2- (2-aa-1Hothiazol 4-yl) -2-scimiminoacetamido3-cef-3-em-4-carboxylic acid ethyl ester, syn-isomer.
Example 64. 1- (Ethoxycarbonylmethoxycarbonyloxy) -ethyl ester 3-methoxymethyl-7-2- (2-aminothiazol-4-yl) -2-oxyimoH-acetamido3-cef-3-em-4-carboxylic acid, syn-isomer.
Example 65. (2-Chl6-rat-oxyethoxycarbonyl-1-ethyl 3-methoxymethyl-7-2- (2-aminothiazol-4-yl) -2-oxyiminoacetamido-3-3-e-4-carboxylic acid ethyl ester, syn-isomer.
PRI me R 66. 1- (Chlormetsh1carbnilloxy) -ethyl ester 3-methoxymethyl-7-C2 (2-aminothiazol-4-yl) -2-oxyiminoacetamido-cef-3-em-4-carboxylic acid, syn- isomer.
Example 67. 3-methoxymethyl-7- 2- (2-amino-thiazol-4-yl) -2-hydroxy7952 1- (Methlcarbonioxy) -butty acid ester
iminoacetamido-cef-3-em-4-carboxylic acid, syn-isomer.
Example 68 1-, 2,3,4-bis-0- (1-methylethynlidene) -ot, B-galacgopyranosylcarbonyloxy 3-methoxymethyl-7-C2- (2-aminothiazol-4-yl) -2 ethyl ester -oximine acetamido-cef-3-em-4-carboxylic acid, syn-isomer.
Example 69. 1- (2-Hydroxyethoxycarbonyloxy) -ethyl ester of 3-methoxymethyl-7- 2- (2-aminothiazol-4-yl) -2-oxyiminoacetamido2-cef-3rd-4-carboxylic acid, syn-isomer .
Example 70 1- (2-Acetaminoethoxycarbonyloxy) ethyl ester, (2-aminothiazol-4-yl) -2-oxyiminoacetamido-cef-3-em-4-carboxylic acid, syn-isomer.
Example 71. 1- (2-Ethoxycarbonyloxy) 3-methoxymethyl-7- 2- (2-aminothiazol 4-yl) -2-oxyiminoacetamido-cef-3-em-4-carboxylic acid ethyl ester, syn-isomer.
Example 72 1- (2-Methylthioethoxycarbonyloxy) ethyl ester, 3-methoxymethyl-7-2 (2-a; minothiazol-4-yl) -2 oxyiminoacetamidoj cef-3-em-4-carboxylic acid, syn- isomer
Example 73. 1- (Ethoxycarbonylmethylthiocarbonyloxy) ethyl 3-methoxymethyl-7- 2- (2-aminothiazol-4-yl) -2-oxyiminoacetamido 3 ce-3H-4-carboxylic acid ethyl ester, syn-isomer.
Example 74 .. 1- (1 Methylethylcarbonyloxy) ethyl 3-methoxymethyl-7- 2- (2-aminothiazol-4-yl) -2-oxyiminoacetamido3 cef-3-em-4-carboxylic acid ethyl ester, syn-isomer.
Example 75. 1- (2-Fensh1methyl-4-furanylmethoxycarbonyloxy) -ethyl ester 3-methoxymethyl-7- 2- (2 aminothiazol-4-yl) -2-oxyiminoacetamidoZ-cef-3-em-4-carboxylic acid, syn isomer.
Example 76. 1- (2-Thiocyanatoethyloxycarbonyl-1) 3-methoxymethyl-7-2- (2-aminothiazol-4-yl) -2-oxyiminoacetamido-3-em-4-carboxylic acid 3-methoxy-methyl, syn-isomer.
Example 77. 1- (1-Methylethyloxycarbonyloxy) -ethyl ester of 3-methoxymethyl-7- 2- (2-aminothiazal-4-yl) -2-oxyiminoacetamido-cef-3-e-4-carboxylic acid, syn-isomer.
Example 78 1- (Cyclopentylmethoxycarbonyloxy) ethyl 3-methoxymethyl-7- 2- (2-aminothiazol-4-yl) -2-oxyiminoacetamido-ceph-3-em-4-carboxylic acid ester, syn-isomer,
Example 79. 1- (Butyloxycarbonyloxy) -ethyl ester of 3-methoxymethyl-7-P2- (2-aminothiazol-4-yl) -2-hydroxyiminoacetamido-cef-3-em of 4-carboxylic acid, syn-isomero
Example 80. 1- (C-methoxy-methylaminocarbonyloxy) -ethyl ester 3-methoxymethyl-7- 2- (2-amnothiazol-4-yl) -2-oxyiminoacetamido-cef-3-em-4-carboxylic acid, isomer.
Example 81. 1- (2-Methylsulfonylethyloxycarbonyloxy) ethyl 3-methoxymethyl-7gC2- (2-aminrthiazap-4-yl) -2-oxyiminoacetamidoZ-cef-3-em-4-carboxylic acid, syn-isomer.
Example 82. 1,3-Dihydro-3-oxo-isobenzofyran-1-ethyl ester 3-methoxymethyl-7- 2- (2-aminothiazol-4-sh1) -2-oxyiminoacetamido-cef-3-it-4-carbon acids, syn-isomer.
Example 83. 1- (2-Formyloxy-ethoxy-carbonyloxy) -ethyl ester 3-methoxymatyl-7-, 2- (2-aminothiazol-4-yl) -2-oxyimino-acetamidoZ-cef-3-it-4- carboxylic acid, syn-isomer,
For 2 hours, 174 mg of the product obtained in Example 24 are stirred in 2 cm of 98% formic acid, concentrated to dryness under reduced pressure, the residue is treated with 2 cm of 98% formic acid, stirred for 2.4 hours and concentrated to dryness. The residue is treated with 10 cm of ethyl acetate, to which 10 cm of aqueous 1 M sodium bicarbonate solution is added. The undissolved part is filtered off, the organic phase is separated by decantation, washed with water, dried and concentrated to dryness under reduced pressure .. The residue is purified by chromatography on silica, eluting with ethnpacetate, and 48 mg of the title compound are obtained.
51MP spectrum (DMCO), ppm: 6.63 (Hj thiazole), 5.83 (Hj; 5.16 (fij), 4.33 (COj- (CHj) -Cbi); 4.11 ( ); 3.2 (OCHj) i 1.48-1.54 (CHjCH-).
Example 84. 3-Methylthiomethyl-7- 2- (2-aminothiazol-4-yl) -2 ;-( benzoyloxy) -iminoacetamido2-cef-3-em-4-carboxylic acid. 5 Stage A: 3-methylthiomethyl-7- 2- (2-tritylaminothiazol-4-yl) -2- (benzoyloxy) -iminoacetamido-cef-3-em-4-carboxylic acid.2, 32 g of triethylamine salt 3-methyl0 thiomethyl-7- 2- (2-tritylaminothiazol-4-yl) -2- (1,1-dimethylethoxy-carbonyl-methoxy) amino-acetamido-cef-3-em-4-carboxylic acid, syn-isomer, mixed with 23 cm methylene chloro5 and even 0.5 cm of pyridine. 0.7 cm of benzoyl chloride is added dropwise, stirred for 1 hour, 25 cm of 0.25 N are added. hydrochloric acid, washed with water, dried, the solvent was removed. The residue was treated with 25 cm of ethyl acetate, the insoluble part was removed by filtration, 1 cm of triethylamine was added to the filtrate, then 50 cm of diethyl was slowly added
5 ether. Cool, suck, rinse with ether, dry and obtain 0.7 g of the desired product.
Stage B: 3-methylthiomethyl-7- 2- (2-amino-thiazol-4-yl) -2- (benzoyl-10-ci) iminoacetamido-cef-3-em-4-carboxy. New acid.
3, .5 cm of 67% formic acid is added to the product obtained in step A and stirred for 10 minutes at, the insoluble part is removed and the solvent is removed under reduced pressure at. The residue is treated with water. Dissolved, dried, purified by
0 chromatography on silica, eluting with aqueous 3 M sodium hydroxide solution with 0.4% sodium bicarbonate. 0.593 g of the expected product is obtained. Mp 200 ° C (decomposition).
5 Calculated,%: C 4.7.3; H 3.6 {N 13.1 j S 18.0.
CziHijO NsSj (533.606). Found,%: C 47.3-, H 3.7, N 13.0, S 17.3.
0 Example 85. 3- methoxymethyl-7-C2- (2-aminothiazol-4-np) -2-metroxyiminoacetamidoZ-cef-3-em-4-carboxylic acid 3- methoxymethyl-7-C2- (2-aminothiazol-4-np) oxyethyl ester.
5 513 mg of 3-methoxymethyl-7- | 2- (2-aminothiazol-4-yl) -2-methoxyimino acetamido3-cef-3-e-g-4-carboxylic acid, syn-isomer, is dissolved in
55.
2 cm W of methanolic sodium acetate solution. 5 cm of ethanol is added, it is filtered off with suction, washed with ethanol, then with ether, and the sodium salt obtained is dried. Treat it at 0 ° C in 3 cm of dimethylformamide, add 0.2 cm of 1-bromoethyl acetate, stir for 20 minutes at room temperature, add 5 cm of ethyl acetate, 10 cm of water, decant, extract again with ethyl acetate, wash with aqueous bicarbonate , then with water, dried, concentrated to dryness under reduced pressure, treated with ether and dried. Obtain 173 mg of the desired product.
NMR spectrum of CBCh3), ppm: 6.9 (HS thiazole); 5.93-6.15 (H), - 5.055, 13 (Hf) -, 4.36 (); 3.35 (OCHj) 2.1 (OAc).
Example 86. 3-Methyloxymethyl-7- 2- (2-aminothiazol-4-Sh1) -2- (1-hydroxyhexadecyloxy) - iminoacetamig to-cef-3-em-4-gcarboxylic acid.
0.827 g of 3-methyloxymethyl-7-2- (2-aminothiazol-4-yl) -2-oxyiminoacetamido3-cef-3-em-4-carboxylic acid is dissolved in 8 cm of water and 0.7 cm of triethylamine. 0.62 cm of palmitoyl chloride is added, stirred for 1 hour, the insoluble part is removed, 30 cm of methylene chloride is added to the filtrate and acidified with 1 ppm to pH 4 by addition of 98% formic acid, the insoluble part is again removed and the solvent is removed. from the filter under reduced pressure. The residue is treated with 50 cm of acetone, treated with active carbon, filtered, rinsed with acetone and concentrated to dryness under reduced pressure .. The residue is treated with diisopropyl ether and filtered off with suction, dried, and 0.376 of the desired product is obtained.
NMR spectrum (DMSO), ppm: 7.05 (H5 thiazole) 5.14-5.21 (H); 5.77 (; Y); 4.16 (CHjO); 3.18 (OSNz) ..
Example 87. 3-Methoxymethyl-7-C2- (2-aminothiazol-4-pcs) -2- (cyclododecyloxy-carbonyloxy-iminoacetamido 3-cef-3-em-4-carboxylic acid.
0.827 g of 3-methoxymethyl-7-; 2- (2-aminothiazol-4-yl) -2-oxynminoacetamido3-cef-3-em-A-carboxylic acid, syn-isomer, dissolved in 8 cm
94279.56.
; 3yd and 0.56 cm of triethylamine. 0.5 cm of cyclododecanoyl chloroformate is added dropwise with stirring and stirred for 15 minutes. It is filtered off with suction, rinsed with water, the residue is dissolved in a mixture of 2 cm of acetone, 2 cm of methanol and 2 drops of triethylamine, filtered, the filter is diluted with 20 cm of water and
10 is acidified to pH 4 with 0.3 cm of 98% formic acid. The precipitate is filtered off with suction, rinsed with water, then with ether and dried. Obtain 0.853 g of the desired product.
15 Calculated,%: C, 51.99; H 5.98; N 11.23; S 10.28.
C THj OjNjSj. (623,752). Found,%: C 52.1j H 6.2; N 11.2, S 10.1.
20 The starting cyclododecanoyl chloroformate used in Example 42 is obtained in the following manner.
5.4 g of H, N-dimethylaniline mixed with 62 cm of benzene solution
25 phosgene (0.13 g / cm). 6.8 g of cyclododecanol, dissolved in 20 cm of benzene, are added dropwise with stirring and in an inert atmosphere, and are held under stirring for
30 16 hours. Cool, acidify with 24 cm 1 N. hydrochloric acid, decant, and wash the organic phase with 0.1 N. hydrochloric acid, dried and the solvent is evaporated under reduced pressure. 9.18 g of the expected product are obtained;
Example 88. 3-methoxymethyl-7-C2- (2-aminothiazol-4-yl) -240-hydroxyiminoacetamidoZ-cef-3-em-4-carboxylic acid dimethyloxyphosphinyloxymethyl ester 3-methoxymethyl-7-C2- (2-aminothiazol-4-yl) -240, syn-isomer.
Stage A: dimethyloxyphosphinyloxy 3-methoxymethyl-7- 2- (2-tritylaminothiazol-4-yl) -2- (145-methoxy-1-methylethoxy) -iminoacetamido-3-cef-3-em-4-carboxylic acid methyl ester, syn- isomer.
Within 30 minutes 7.28 g of 3-methoxymethyl-7-C2- (2-tritylaminothiazol 50 -4-yl) -2- (1-methoxy-1-methyl-toxy) -iminoacetamidoZ-cef-Z-4-carboxylic acid and 2 g of potassium carbonate is stirred in 35 cm of dimethyl forms, yes "5.32 g of trimethyl monoe chlorophosphate is added, stirred for 3 hours at
20 ° C, adding another CU of 0.4 g of potassium carbonate, then, after 10 minutes of stirring, 1.4 tons of trimethyl-57 nohdorfosfat. Stir for 1 h at 20 ° Cs, add 2.5 cm of acetic acid, then the reaction mixture is drunk into water. Sucked off, rinsed with water, treated with 200 CMV methyl chloride, decanted, dried, concentrated to dryness under reduced pressure. The residue is chromatographed on silica, eluting with ethyl acetate.
Homogeneous fractions are concentrated to dryness, the residue is treated. 50 cm of methylene chloride, a few milligrams of para-toluenesulfonic acid and 10 cm of isopropenyl methyl ether are added. The mixture is stirred at 20 ° C. for 1 hour, the solvents are evaporated under reduced pressure at least at and 4.9 g of the expected product are obtained.
Stage B: dimethoxyphosphinyloxy-3 ei and p-3-methoxymethyl-7 .2- (2-tritylaminothiazol-A-nl) sulfoxide -carboxylic acid, syn-isomer.
Obtained in stage A product. dissolved in 45 cm of methylene chloride, cooled to 5 ° C and a solution of 2 g of metachloroperbenzoic acid in 2.5 cm of methylene chloride was added over an example of 15 minutes. The mixture is stirred for 45 minutes at 50 cm of ethyl acetate is added and the methylene chloride is removed by distillation under reduced pressure and at a temperature of 30 ° C. 25 cm of ethyl acetate is added and washed with an aqueous solution of sodium hydroxide containing sodium bicarbonate, then with an aqueous solution of sodium hydroxide until neutralized. Dried, concentrated to dryness under reduced pressure and obtain 5.42 g of the target product.
Stage B: 3-methoxymethyl-7-C.2 (2-tri-amino-thiazol-4-yl) -2 (1-methoxy-1-methylethoxy) -iminoacetamido-cef-3-em-4-carboxylic acid dimethoxy ester 3-methoxymethyl-7-C.2 isomer.
The product obtained in step B was dissolved in 27 cm of dimethylformamide and cooled to (-20) (-25) C and 2.7 cm of trichloride added dropwise; phosphorus and hold with stirring for 10 minutes Drink in sodium bicarbonate, cooled with ice, sediment. Suction, solution 9427958
It is taken up in ethyl acetate, the organic phase is decanted and dried. The mixture is concentrated to dryness under reduced pressure and at a temperature below, 5 the residue is treated with 100 cm of petroleum ether (b.p., BO-BOO C), 4.10 g of the desired product i are sucked off and dried.
Seri D: dimethoxyphosphinyloxy10 3-methoxymethyl-7-2-(2-amino-thiazol-4-yl) -2-oxy-imino-acetamido-cephon-3-em-4-carboxylic acid methyl ester, syn-isomer,
For 10 minutes at 50-55 0, 3.8 g of the product obtained in Stage B are mixed in 19 cm of 67% black acid, concentrated to dryness under reduced pressure and at a temperature below and the residue is treated with 30 cm of ethyl acetate and 20 cm of water. Decanted, extracted with ethyl acetate, washed with aqueous sodium bicarbonate, then with water, dried and the solvent was removed. The residue is taken up in 20 cm of ether, filtered off with suction and dried to give 0.91 g of the expected product. It is triturated in ethyl acetate, sucked off, dried, moistened with methanol, sucked off, 0 rinsed with ethyl acetate, then ether, dried, and 0.35 g of purified product is obtained.
NMR spectrum (DMCO), ppm (It was observed): 6.67 (Hj thiazole), 5 5.5 (Nt and COOCH2R)} 5.16-5.23 (H) 4.2 (CHj-OCH,); 3.23 (CHjOCHj) -, 3.63, 8 (-P ().
PR, and meper 89. 2- (1,3-bis) -Acetyloxypropyl ether Z-methoxymethyl-7-C2- (2-aminothiazol-4 yl) -2 oxyiminoacetamido-cef-3-em-4-carboxylic acids, syn-isomer.
Stage A: 2- (1,3-Bic) -acetyl oxypropyl ester of 3-methoxymethyl-7 C2 5 - (2-cytylamino-thiazol-4-yl) -2- (1-methoxy-1-methyltoxy) -mino-cyclomethyl-4-yl) -2- (1-methoxy-1-methyltoxy) -iminocetomethyloxy-1-methyltoxy-1-methyloxymethyl-4-yl) -3-em-4-carboxylic acid, syn-isomer.
3.63 g of 3-methoxymethyl-7- 2- (20-tritylaminothiazol-4-yl) -2- (1-methoxy-1-methyl-ethoxy-shno-acetamido) -cef-3-em-4-carboxylic acid, 1.55 g of glycerin-193-diacetate 5 30 kg of 4-dimethylaminopyridine are dissolved in 36 cm of methylene chloride. The solution is cooled to 5-10 s and 1.2 dicyclohexylcarbodiimide is added. The mixture is brought to room temperature and aged.
The mixture is stirred for 30 min., filtered, the organic phase is washed with water, dried and concentrated to dryness under reduced pressure. 4.5 g of the expected product are obtained.
Stage B: 2- (1,3-bis) -acetyl-oxo-propyl. -5 0- and ii-oxide 3-methoxymethyl-7- 2- (2-tritylaminothiazol-4-yl) -2- (1-methoxy-1- methyl ethoxy) -iminoacetamido-cef-3-it-4-carbon carboxy.
Use 4.5 g obtained in. stage A of the product and work as in stage B of example 88.
4.3 g of the desired product are recovered.
Stage B: 3- methoxymethyl-7-t2- (2-tri-chloroamino-thiazol-4-yl) -2- (1-methoxy-1-methyl-3-methoxy-1-methyl-3-methoxymethyl-3-methoxypropyl 3-methoxymethyl) 3 -em-4-carboxylic acid, syn-isomer.
Starting from 4.3 g of the product obtained in the previous step, the sulfoxide is reduced as indicated in Step B of Example 88. 4.4 g of the expected product are obtained.
Stage G: 3- methoxymethyl-7- 2- (2-aminothiazol-4-yl) -2-oxyiminoacetamido 3-cef-3-em-4-carboxylic acid 2-(1,3-bis) -acetylrxypropyl ether isomer.
Work as in the stage G of example 88, replacing the methyl acetate with methylene chloride. 2.65 g of crude product are obtained, which is purified by chromatography on silica, eluting with ethyl acetate. After removal of the solvents under reduced pressure, the residue is treated with diisopropyl ether, filtered off with suction and dried. Obtain 0.97 g of the desired product.
NMR spectrum (DMSO), ppm: 6.69 (HS thiazole)} 5.83 (H) 5.2-5.25 (Hj); 4.22 (CHj groups of ester and CHjOCHj); 3.21 (OCHj) i 2.02 (OAc group).
Example 90 1-Methyl-1-methylcarbonyloxyethyl ester 3-methoxymethyl-7- .2- (2-aminothiazol-4-Sh1) -2-oxyiminoacetamido3-cef-3-em-4-carboxylic acid.
In Example 88, in Steps A, B, and B, starting from 5.82 g of 3-methoxymethyl-7- 2- (2-tritylaminothiazol-4-yl) -2- (1-methyl-1-methoxy) -ethoxyiminoacetamido} - cef-3-em-4-carboxylic
427960
acids and 12 g of 1,1-chloro-1-methyl) ethyl acetate are recovered by 3 g of the ester (the mixture and Aj are then converted to 1.64 g of the ester L after transformation into sulphoxyl and reduction with phosphorus trichloride). , 60 g of this ester in 48 cm of methanol and 3 cm of 1N hydrochloric acid. Concentrated under reduced pressure and temperature below 30 ° C, then poured into a mixture of ice water and methylene chloride (1: 1). Neutralized with saturated water a solution of 15 sodium bicarbonate, decanted,
extracted with methylene chloride, washed the organic phase with sodium bicarbonate solution, then with water, dried and concentrated to dryness. 20 1.1 g of crude product are obtained, which is purified with diisopropyl ether, and 0.46 g of the expected product is obtained.
NMR spectrum (CDCIj) ppm: 7.02
25 (Hj thiazole)} 5.02-5.07 (H), 5.89 (H,) i 4.28 (CHzOCH,); 3.32 (HjOCHg) -, 2.07 (-COOCHj) i 1.87-1.93 (-C (CHj) 2). As used in Example 90, (1-chloro-1-methyl) -ethyl acetate is prepared as follows.
In an inert atmosphere, 76.8 cm of acetone in 74.6 cm of acetyl chloride are added dropwise. Add a few milligrams of zinc chloride:
5 is stirred for 2 hours at and 1 cm of triphenylmethylamine is added. Distilled successively 2 times and get 46 g of the target product. Bp mmHg.
0 Example 91. 2- (2-Etiloxy-, Iethyloxy) -ethyl ester of 3-methypgyomethyl-7-C 2- (2-aminothiazal-4-yl) -2-oxyiminoacetamido-cef-3-em-4-carboxylic acid the syn isomer.
5 Stage A: 2- (2-ethyloxyethyloxy) ethyl ester 3-methylthiomethyl-7-C2- (2-tritamine aminothiazol-4-yl) -2-1 methyl-1-methoxy) ethyloxyimothiacetamido J-cef-3-em -4-carboxylic acid, syn-isomer.
The procedure is as indicated in step A of Example 1, starting from 5 g of 3-methylthiomethyl 7- 2- (2-tritnlaminothiazol-4-yl) -2- (1-methyl-1-methoxy) -ethoxy5 iminoacetamidoZ-cef-3-em -4-carboxylic acid, 0.49 g of potassium carbonate, 15 cm of dimethylformamide, and 7.04 g of -2- (2-ethyloxy-ethyloxy) -ethyloidide. 61 Stage B: 2- (2-ethyloxyethyloxy-ethyl ester, Z-methylthiomethyl-7- 2- (2-aminothiazol-4-yl) -2-oximes of acetamido-cef-3-em-4-carboxylic acid, syn-isomer Operate as indicated in the step of Example 2. After stirring for 1 hour and 45 minutes at room temperature, 328 mg of the expected product are purified after purification, mp = JJr 0.29 (methylene chloride-methanol 9 Preparation of starting materials. I. Iodomethylphenyl acetate used in Example 46. Boil for 15 min with a refrigerator under inert atmosphere 5.6 g of chloromethyl phenylacetate and 4.5 g of sodium iodide in 20 cm of acetic acid. The suspension is immediately cooled to room temperature. II.Mixed 1-iodoethyl- and ally-carbonate used in Example 47. Operate as indicated above, except for 2.1 g of mixed 1-chloroethyl-carbonyl and 1.92 g of sodium iodide, heating for 30 minutes III.Mixed 2-methoxyethyl- and 1-iodoethyl-carbonate used in examples 48 and 56. 1) Mixed 2-methoxyethyl- and 1-chloroethst-carbonate. , 15 g of 1-chloroethylchloride formate and 3.95 cm of 2-methoxyethano and 4.05 pyridine are added over 15 minutes. Later, stay for 1 h at room temperature drink at 50 cm 0.1 n. hydrochloric acid, extraction with ether. The solvent is removed under reduced pressure and the desired product is obtained. 2) Mixed 2-methoxyethyl- and 1-iodoethyl carbonate. 3.86 g of carbonate obtained in stage 1 and 5.08 g of sodium iodide in 39 cm of acetone are boiled with reflux for 15 minutes. The solvent is removed under reduced pressure, the residue is treated with water, extracted with ether and concentrated to dryness. 4.73 g of the expected product are obtained. IV.1- Iodratil-methoxy-acetate used in Example 49. 1) 1-Chloroethyl-methoxyacetate. To 54.3 g of methoxyacetyl chloride slowly; 962 cm of acetaldehyde, then about 100 mg of zinc chloride are added while stirring. Cool to 25 cm of acetaldehyde for 5 minutes, then leave to stir for 1 hour at 15-20 ° C. The product obtained is distilled to give a fraction, b.p. at 15 mm Hg 2) 1-Iodoethylmethoxyacetate. 12.2 g of the product obtained as in stage 1 and 12 g of sodium iodide in 100 cm of acetone are boiled for 15 minutes under reflux. The mixture is cooled to 20 ° C, the insoluble part is sucked off, rinsed with acetone and ether, the filtrate is poured into water and extracted with diethyl ether. Dry and remove the solvent under reduced pressure. 10.8 g of the expected product are obtained. V Mixed 1-iodoethyl- and 2-methylthienyl carbonate (RS) used in Example 50. Act as in preparation I, the outcome is 3.3 g of mixed 1-chloroethyl- and 2-methylthiensh1-carbonate and 2.25 sodium iodide . Vi. Mixed 1-iodo-1Tl-1 and methyl-thiocarbonate (R.S.) used in Example 51. Operate as in Preparation I, starting from 6.9 g of a chlorine derivative and 6.75 g of sodium iodide. VII. 1-IODOETSH1- and (2-trimethylsilylethyl) -carbonate (R.S.) used in Example 52. Act as in preparation I, starting from 3.59 g of chlorinated prozvodny and 2.4 sodium iodide. Viii. 1-Bromoethylcyclopropylcarboxylate used in Example 54. 1) Cyclopropanecarboxylic acid bromide. When in an inert atmosphere, 48.6 cm of cyclopropanecarboxylic acid in 19 cm of phosphorus bromide are added. The mixture is stirred for 5 minutes, then the temperature is allowed to rise to room temperature and is stirred for 6 hours. The upper phase is decanted and the upper phase is distilled under reduced pressure at 70 ° C. 70 g of the expected product are obtained. Bp at 20 mm Hg 2) 1-Broethylcyclopropylcarboxylate lat. Cool to 32 cm of the product obtained in step 1, add
a few mg of zinc chloride and 19 cm acetaldehyde are added dropwise under reduced pressure. Stir
30 min at room temperature and distilled under reduced pressure at 13015 ° C. Collect the fraction that is distilled at 71-70 ° C at 20 mm Hg.
IX.Mixed 1-iodoethyl and methyl carbonate used in Example 55
It is obtained according to a known method.
X. Mixed 1-iodoethyl- and (2-cyano) ethyl carbonate (R.S.), used in Example 57.
1) 1-Chloroethyl- and (2-cyano) ethyl carbonate (R.S.
14.34 cm of 3-hydroxypropionitrile is introduced into 300 cm of benzene, then 30 cm of tetrahydrofuran. A solution of 23.25 cm3 of chloroethyl chloroformate in 50 cm of benzene is added dropwise within 10 minutes, then 30 cm of triethylamine in the form of a solution in 30 cm of benzene are then taken within 30 minutes. While stirring for 1 hour at room temperature, the reaction mixture is poured onto ice. Extracted with ether, washed with an aqueous solution of sodium chloride, dried and concentrated to dryness under reduced pressure. Get
31g of chlorinated derivative.
2) 1-Iodoethyl- and (2-cyanoethyl) -carbonate (R.S.).
Act as in preparation II of 8 g of the derivative obtained in step 1.
XI.1-iodoethyl- and 2- (methoxyethoxy) ethyl carbonate used in Example 58.
In 18 g of 2- (2-methoxyethoxy) ethyl alcohol and 50 cm of tetrahydrofuran, 11 cm of 1-chloroethyl chloroformate are added over 15 minutes. The mixture is cooled, 14 cm of triethylamine are added over 15 minutes, then left for 1 hour at room temperature, sucked off, the solvent is removed from the filtrate under reduced pressure. Chromatograph the residue on silica, eluting with methylene chloride REED, to obtain 14.4 g of the chlorinated derivative.
1.6 g of the previous product are mixed with 16 cm of acetone and 1.7 g of sodium iodide, boiled under reflux for 30 minutes, the solvent is removed under reduced pressure, the residue is treated with ethyl ether, sucked off and the solvent is removed from filtrate under reduced pressure.
XII.2-Trifluoroethyl- and 1-iodoethyl-carbonate, as used in Example 59.
Act as when cooking. SRI XI, using 15 g of trifluoroethanol. An iodinated derivative is obtained from 1.4 g of the chlorinated derivative.
XIII.1-IODOETSH1- and (1,3-benzodioxol-6-yl) -methyl-carbonate, used in Example 60.
Act as in preparation of XI, using 23 g of hyperonyl alcohol. The resulting chlorinated derivative is purified by chromatography on silica (eluting with a 6: 4 mixture of cyclohexanmethylene chloride). 9.05 g of purified chlorinated derivative is used to prepare the iodinated derivative.
XIV.1-Bromoethyl-phenyl-carboxylate used in Example 61.
Act as in stage 2 of preparation VIII, starting from 60 cm of benzoyl bromide and 28 cm of acetaldehyde. Collect the fraction that distilled at 82-85 ° C at 0.1 mm Hg.
XV.1-Iodine-1- (2-hydroxyethyl) -thiocarbonyloxy-ethyl (R.S.) used in Example 62.
1) 1-Chloro-1-C (2-oxyethyl) -thiocarbonyl-ethyl.
Act as in preparation XI, starting from 17.25 cm of 1-chloroethip-chloroformate and 10.5 cm of 2-mercaptoethanol. The chlorinated derivative is purified by chromatography on silica, eluting with methylene chloride, then diethyl ether. 17.19 g of the expected product are obtained.
2) 1-IODE-1-C (2-hydroxyethyl) -thiocarbopoxy} ethyl (R.S.).
The effect is as in preparation II, the origin of 4.5 g of the product obtained in step 1 and 3.75 g of sodium odide.
XVI.1-iodoethyl- and H-propyl-caronate used in Example 63.
Act as when preparing XI using 11 cm of n-propanol.
XVII. Mixed 1-iodoethyl- (eticarbonyl) -methyl-carbonate used in Example 64.
Act as in preparation XI, using 15 cm of ethyl glygol. The crude product is chromatographed on silica (eluted with methylene chloride and cyclohexane 1: 1),
XVIII.1-IODOETSH1- 2- (2-chloroethyl) -oxy-ethyl-carbonate used
in example 65.
Act as in preparation of XI, using 19 g of 2- (2-chloroethoxy) -ethanol.
X-IX. 1-Vromethyl-chloroacetate (R.S.) used in Example 66.
1) Chloroacetic acid bromide.
The mixture is cooled to 5 g of chloroacetic acid in 300 cm of toluene and 31 cm of phosphorus bromide is added over 15 minutes. Stir for 16 hours at 20 ° C, then 40 hours at 50 ± 5 ° C. After cooling, it is decanted and the upper phase is distilled. Collect 30.2 g of the desired product. Bp 2730s at 18 mmHg
2) 1-Bromomethyl-chloroacetate (R.S.).
The operation is carried out as in step 2 of preparation VIII, starting from 25.2 g of the bromide obtained in step 1.
XX.1-Bromobutylacetate used in Example 67.
Act as in the preparation of stage VIII 2, starting from 12.2 cm of acetyl bromide and 15 cm of butyroaldehyde. Before distillation, 0.3 cm of triethylamine is added carefully. Distilled under reduced pressure to obtain 23.5 g of the whole product. Bp 65 ° C at 13 mm Hg
XXI.Mixed 1-iodoethyl- and
6-0-1,2,3,4-bic O- (1-methylethiIdene) -6-D-h-pactopyranosyl 3 carbonate used in Example 68.
A chlorinated derivative is obtained, working as in preparation XI, using 31 g of D-galactose diacetamide.
The residue obtained after concentration is chromatographed on silica, eluting with a 1: 1 mixture of cyclohexane and methylene chloride. 22.75 g of purified product are obtained, 12.8 g of which is used to prepare the iodinated derivative.
XXII.1-Iodine-1-C (2-hydroxyethoxy) -carbonyloxy-ethyl (R.S,) used in Example 69.
A chlorinated derivative is obtained, working as in preparation XI, using 28 cm of ethylene glycol. The resulting crude product is chromatographed on silica, eluting with methylene chloride from 5% diethyl ether. 9.46 g of purified product is collected, 6.8 g of which is used to prepare the iodinated derivative.
XXIII.1-Iodoethyl- and 2-acetamidoethyl carbonate used in Example 70.
A chlorinated derivative is obtained, acting as in the case of flooring XI and using 25 g of 2-acetamidoethanol 22 cm of 1-chloroethyl chloroformate and 28 cm of triethylamine. The crude product is chromatographed on silica, eluting with methylene chloride with 20% diethyl ether. 17.4 g of purified product are obtained, 2.9 g of which is used to prepare the iodinated derivative. The residue is treated with methylene chloride and the resulting solution is used as it is, the reaction dp.
XXIV.1. IODOETHYL- and 2-ethoxyethyl carbonate used in Example 7-1.
A chlorinated derivative is obtained, acting as in the preparation of XI, using 15 cm of ethylene glycol monoethyl ether. The product is chromatographed on silica, eluting with methylene chloride. 14.15 g of purified product are obtained, 6.9 g of which is used to prepare the iodinated derivative.
XXV.1-iodoethyl- and (2-methylthio) -til-carbonate (R.S.) used in Example 72.
The chlorinated derivative is obtained, according to the method of Preparation XI, by elimination of tetrahydrofuran and using 12.9 g of methylthioethanol and 15.5 cm of 1-chloro-ethyl chloroformate. The resulting SFIO product is distilled to give 22.5 g of a chlorinated derivative with
bp 70-72 With Poi 0.1 mm from st. Get iodized derivative
as in preparation II of 17.88 g of the chlorinated derivative.
XXVI. Ethyl-2-C ((1-iodoethoxy / -carbonyl) -thioZ-acetate, used in Example 73.
The result is a chlorinated derivative as in preparation of XI, using 15.5 g of 1-chloroethyl chloroformate and 12 g of ethyl thioglycolate. The product is chromatographed on silica with elution with methylene chloride from 110% diethyl ether. 22.58 g of purified product is obtained, 11.3 g of which is mixed with 7.5 g of sodium iodide in 60 cm of acetone, refluxed for 1 hour, the solvent is removed under reduced pressure to obtain the desired iodinated derivative. Xxvii. 1-Bromoethyl-2-methyl-propionate (R.S.) used in Example 74. 1) 2-Methyl-propioNIL bromide. Work as in the preparation of VIII, stage 1, based on 88.1 2-methylpropionic acid and 108.3 phosphorus bromide. Get 99.8 Tsele T. bp. L15-116 With at product 760 mm Hg : 2) 1-Bromoethyl-2-methyl-propionate (R.S.). Work as in the preparation of VIII, tadi 2, starting from 40 g of the obtained bromide and 11.67 g of acet. Get 49.6 g of the target aldehyde T. b.p. 49-51 C with the product. 13 mmHg XXVIII. Mixed (1-iodoethyl) and 2- (phenylmethyl) -4-furanylmethyl carbonate used in Example 7: 23 g of benzylfurol work as in the preparation of Xi. After chromatography on silica (eluted with a mixture of cyclohexane and methnpenhlordom 7: 3), 24.5 g of purified product are obtained, 10.3 g of which is used to prepare the iodinated derivative. XXIX.1-iodoethyl- and (2-thiocyanato) ethyl carbonate (RS) used in Example 76. It works as in Preparation X, the result is from 7.2 g of thiocyanatoethanol and 7.75 cm of 1-chloroethyl-chloroformate . 12 g of chlorinated derivative are obtained, 9.4 g of which is used to prepare the iodine derivative. XXX.1-iodoethyl- and (1-methyl) -ethyleth carbonate (R.S.) used in Example 77. They work as in preparation of X based on 8.41 g of isopropanol and 15.5 g of 1-chloroethyl chloroformate. Get 21 g of chlorinated,. 14.995 g of which is used to obtain the iodo derivative. 968 XXXI. (1-Iodoethoxy) -carbonyloxy-cyclopentane (RS) used in Example 78. 10.3 g of (1-chloroethoxy) -carbonyloxymethylcyclopentane and 7.5 g of sodium iodide are mixed in 60 cm of acetone and boiled with reverse refrigeration-. com for 45 min. The solvent is removed under reduced pressure and a suspension is obtained. XXXII.1-С (1-Iodoethoxy) -carbonypoxy-n-butane used in Example 79. It is operated as in the preparation of NII XII, using 9.15 cm of n-butanol. After chromatography on silica (eluted with methylene chloride with 5% ether), 15.2 g of chloro derivative are obtained, 9 g of which is used to prepare the iodo derivative as in Preparation XXXI. XXXIII. (N-Methyl-Y-methoxy) -carbamoshoxy-1-iodo-e il used in Example 80. 1) (H-Methyl-H-methoxy) -carbamoyloxy-1-chloroethyl. 60 g of 1-chloroethyl chloroformate and 120. cm of methylene chloride are cooled to 0 ° C and 51.18 g of 0, H-dimesh1-hydroxylamine are added over 30 minutes. The mixture is stirred for 1 hour at room temperature, the mixture is filtered, the filtrate is concentrated to dryness, the residue is taken up with diethyl ether, filtered off again, and concentrated to dryness. The crude product is distilled under reduced pressure to obtain 58 g of the chlorine derivative, b.p. 68-69 ° C at 1 mm Hg 2) (K-Met1 LH-methoxy) -carbamoyloxy-1-iodoethyl. 21.24 g of sodium iodide is mixed in 106 cm of acetone and 23.73 g of the chloro derivative obtained in step 1 are added. Stir for 1 h at room temperature and remove the insoluble portion by filtration. XXXIV.C2-Methylsulfonyl-ethyl 1-iodoethyl carbonate used in Example 71. It works as in preparation II, starting from 20.76 g of chlorine and 13.5 g of sodium iodide. Mixed 1-chloroethyl- and (2-methylsulfon-1sh) -ethyl-carbonate (R.S.) is obtained by oxidation with methachloroperbenzoic acid in methylene chloride, obtained during the preparation of
XXV mixed 1-chloroethyl- and (2-methylthio) -ethyl carbonate (R.S.). Starting with 35 g of the original product and 75 g of metachloroperbenzoic acid in 7.50 cm of methylene chloride. After stirring for 1 hour, 39 g of the desired crude product are obtained, followed by 33.8 g of the pure product. T.SH1. 45-50 ° C.
Pharmacological studies.
1. The activity of antibiotics in vivo is orally administered.
Male weavers (GDI Charles River) with an average weight of 21-22 g are used.
Infection is realized intraperitoneally with 0.5 ml of a 22-hour culture of the strain staphylococcus aureus IP 54 146 (antibiotic medium 3 at pH 7.0) diluted with 1: 6 physiological water.
Products are administered in various doses in 0.5 MP of distilled water orally, by incubation, in batches of 10 animals each, after 1 hour, 5 hours, and 24 hours after the infection injection.
The following results are obtained, expressed in DP 50 (dose, protecting 50% of mice), mg / kg. Example DP-50
5511.05
568.7 59 11.65
6112
6213
6414.35
6515.1 6713
7110.6
7215.1 7410.6 779.48 80 17.3
2. The activity of antibiotics in vitro, the method of dilution in a liquid medium.
A series of tubes are prepared in which the same amount of sterile nutrient medium is distributed. Increasing amounts of a resilient product are distributed to each tube, and then each tube is seeded with a microbial strain.
After incubation for 24 hours or 48 hours in a thermostat at 37 ° C, growth inhibition is examined by translucency, which makes it possible to determine the minimum inhibitory concentrations (MTK), given in µg / cm.
The results are presented in Table. 3-6 in examples 1-4, in table. 7-9 in examples 6-8, in table 1011 in examples 17-18 and in table. 12-13 according to examples 44-45.
In tab. 14-15 are given used strains.
3. The results of comparative tests between, on the one hand, the products of the proposed examples 1 and 4 and, on the other hand: product 11, the well-known cephalosporinic antibiotic of the general formula
- S
H2
t J1 / soyn-1-Y - oW,
with and
CH
N С07.Н
,
OSSN
and cefuroxime of the general formula
.
came down
o- -s
-N
0

garden about
OSIz
in tab. 16 and 17 show comparative tests for known and new cephalosporin antibiotics, expressed as minimal inhibitory concentrations after 24 hours, both on gram-positive (Table 16) and on Gram-negative (Table 17) strains.
As can be seen from the table. 16 and 17 data, new cephalosporin antibiotics have improved properties compared with the known cephalosporin antibiotics.
1-; (2- (methoxy 90%) formic ethoxy / -carbonyl acid -oxy-ethyl
1 - ((2-Kethoxy66% on ants-1-oxo / -ethyl) on acid-oxy-ethyl
1- t (2-Tie nilme mHCI hydroxy) -carbonyl-hydroxy-ethyl
1- (methylthio) HC1
-carbonyl-hydroxy-ethyl
1-2- (TrimethylsHCl lil) -ethyloxy (carbonyloxy) -ethyl
HC1
N-methylphthalimide
54 1- (Cyclopropyl HCl carbonyloxy) T mp.
%, C: 41.7; H 4.4; N 12.2; S 16,7 CjoHjsOgN Sj (575.64) Found,%: C 41.5, H 4.3, N 11.9, S 16.4.
Calculated,%: C, 41.83; H 4.25 N 12.83, - S 17.63 CigHzsOgNyS, (545.615) Found,%: C 42.0 H 4.2; N 12.8-, S 17.3.
M.p. SW-IOS (decomposition) with / 2 17.5 ± 2 (with 0.5%, snow,)
M.p. 135-140 С (decomposition)) -16 + 1 (with 1%, СНС1з)
M.p. 125-130 С
eij -16.5 ± 1 (with 1%, CHCjj)
M.p. 195-200 ° C. Calculated,%: C 46,93; H 3.42; N 14.27; S 16.34 CjjHjj (588.643); Found: C 46.8-, H 3.4; N 14.1; .S 15.7.
M.p. 130-140 С (decomposition) oij 8 ± 1 (with 1%, CHClj)
1- (2-Methoxyethok-90% -an ants56 si) -carbonyl-hydroxy acid
Ethyl-1-C (2-Cyano-ethylNS1
hydroxycarbonyl) oxy1-ethyl
1- CC (2-C (2-MetoxS1-ci) -ethoxy ethoxy) carbonyl J-OK-sy1-eth1
(2-TrifluoroH1 ethoxy) -carbonyl-to-3-ethyl
1- {t (1,3-BenzodiHCI oxol-6-yl) methoxy-carbonyl-oxy 3-ethyl
1- (Phenylcarbonyl61
HCI hydroxy-etip
62 1- {(2-OXYETSH1- 66% for formic) carbonyl -oxy - acid-ethyl
M.p. 124C.
Calculated,%: C 42.9; H 4.5 -, N - 12.5 j S 11.5.
 (559.58) Found,%: C 43.2; H 4.5, N 12.5; S 11.5.
T.gsh. UO-UOC. . 27.5 ± 1 (with 0.8%, CHCPj)
M.p. (decomposition). Calculated,%: C 43.8 H 4.8 N. 11.6; S 10.6. Cj. Nj-Sj (603.63). Found,%: C 43.7; H 4.8) N 11.4; S 10.4.
M.p. (decomposition) Calculated,%: C 39.1 H 3.5; N 12.0; S 11.0; F 9 8.
. OjNjSjF (583.52). Found,%: C 39.8) H3.6; .N 12.1; S 11.1;
F 9.1.
M.p. (decomposition) Calculated,%: C 47-; H 4,0;
N 11.0; S 10.1. CjjH, jsO ,, NjSj - (635.63) Found,%: C 48.0; H 4.1) N 10.8; S 9.9.
.pl. Uoc ..
Calculated,%: C 4.9,19; H 4.12, N 12.47; S 11.41 CjjH NyOySi (561.59). Found,%: C 49.5 N 4.3-, N 12.0-, S 10.5.
Mr spectrum (DMSO) sd: 6.62 (Hj. Thiazole); 5.8 (H), 4.11 (CHjO); 3.18 (OCHj); 1,481, 53 (CHj-CH-).
1- {(/ EthoxycarbonH nyl / methoxy) -carbonyl-oxy j-ethyl
1- (2- / 2-Hporesh1 / HC1-oxy-ethyl) -oxy-carbonyl J-oxy-β-ethyl
1- (Chloromethylcar66
HC1 bonil) -oxy-ethyl
1- (MethylcarbonylHCI oxy) -butyl
1- {1b-0-C1,2,3,4HC1 -bis-0- (1-methyl-ethylidene) -ei-D-galactopyranosyl -carbonsh1 -oxy1-ethyl
1- {./2- (Oxy )-et6666- on formioxyX- carbonyl acid
-oxy-ethyl
1- {C (2- / Acetylamino) -HCl-ethoxy) -Kap6oHmiJ-oxy1-ethyl (product obtained as hydrochloride
1- (2- / ETOXI / -ET-HCI
windows) -carbonyl -oxy-ethyl
M.p. . NMR spectrum (CDCIj M.D.: 6.98 (Well thiaool) J 4.345, 89 (H,); 3.31 (QCHj) -, 4.65 (COjCHjCO); 1.59-1.64 ()
M.p. IIOC
Calculated,%: C 41.5; H 4.3, N 11.5-, S 10.6; C1 5.8.
 (608.05). Found,%: C 41.5; H 4.3) N 11.6; S 10.3; C1 5.8.
M.p. 120-130 C, NMR spectrum (SDSVz), MD: 6.95 (N5 thiazole 4.1 (COjCHj), 5.94 (H,), 3.32 (OCHj); 4.33 (CHjiO ).
M.p. 120-130C (decomposition), XD 2911 (with 1%, CHCtj).
M.p. UOC, NMR (CDC1,), 6.94 (HS thiazole), 3.54 () 5.88 (HT) -, 3.31 (OCHj), 4.32 (); 1.25-1.6 (SI, -C and CHj-CH-) ..
NMR spectrum (DMSO) ppm: 6.64 (HS thiazole), 4.07 (CH-OCH,),
vnj thiazole, h, and / пp, -and
3.55 5.83 (And,), 3.2 (OCHNs), 3,
with io / and 10 Lpoch h o it (CHjS and CHjOH) -, 1.48-1.54 (CHj-CH-).
M.p. IIOC (decomposition), NMR spectrum (DMSO), ppm: 6.95 (HS thiazole) I 4.16 (COjCHj), 4.23 (CHjOCHj) i 3.26 (OCHj); 1.48-1.58 (CHj-CH-).
M.p. .
Calculated C, 44.0; H 4.7
N 12.2; S 11.2. 2j QIC N5 Si (573.60). Found,%: C 44.0 $ H 4.7; N 12.2; S 11.0.
21- {C (2-Methylthio) HC1-ethyloxycarbonyl-oxy-ethyl
1- Cethoxycarbonyl- 66% on ants73 (methylthio) -carbo-for acid Nil-oxy-ethyl
1 {(1-Methyl) ethylHCt carbonyl-oxy -) -ethyl
1- ((2-Phenylmethyl) HC1 -4-furanyl-labels-si) -carbonide-ok-si-ect1
1- {(2-Thiocyanato) HCt-ethyl 1-carboxy 1-Oxy-ethyl
1- {C (/ 1-Methyl / HCl-ethyloxy) -carbonyloxy-ethyl (RS) 1-tC (Cyclopentyl)
66% formic methoxycarbonyl acid -oxy-ethyl
1- {(Butylokei) 66% carbonyl 2-hydroxy acid-ethyl ants
1 - {(/ - N-MeToKHC1-ci-methylamino) -carbnyl-oxy-ethyl
1- {(2-MethylsulNS1
fonch1) -ethyloxy-carbonyl -oxy-ethyl
66% ants1, 3-dihydro-3-ca-co-isobenzofuranic acid
-1-in
M.p. (decomposition). NMR spectrum (DMSO), ppm: 6.69 (Well thiazole) 5.85 (H,), 3.24 () -, 1.52-1.58 (CH3-CH-)
Calculated,%: C 41.78, H 4.17;
N 11.6; S 15.94. ., (603,652) Found,%: C 42.0; H 4.2;
N 11.6; S 16.0.
M.p. 130С, 8ijj 69t2C (with 1%, CHCl)
M.p. . Nuclear Magnetic Resonance Spectrum (CDCl1), M.D.: 7.02 (Hg thiazole); 7.22 (phenyl); 7.27 and 6.05 (furyl); 6.94 (CHCH); 6.88 (H)} 3.9 (CHjS), 3.56 (SNGZ); 3.31-3.32 (OCHN); 1.54-1.61 (CH3-CH). M.p. 120-130C (decomposition), NMR spectrum (DMSO), ppm: 6.64 (HS thiazole); 5.83 (H,), 6.83 (CHj-Qp-); 4.33 (SNGO); 3.18 (CHjO-); 1.48-1.54 (CHj-CH-).
M.p. 130-132C,
 17.5 + 1 (with 1%, CHClj).
Calculated,%:
C 47.3; H 5.01; N 12.00; D 10.99. (583,643)
CjjH OjNsSj 47.3; H 5.1;
Nai (eno,%: C 12.0; S 11.0.
N
Calculated,%: C 45.23) H 4.88; N 12.56; S 11.50. (557,605).
CaiHziOjNfSi Found: C 45.5; H 5.0; T2,3; S 11.3.
N
M.p. 150 ° C
Calculated,%: C 41.80 H 4.44;
N 15.43; S 11.77. (544.56) Found,%: C 42.0, H 4.4) ..N 15.3; S 11.7.
M.p. about (decomposition) o6j, 25 + 1.5 ° (with 1%, СНС1з)
o1t, 28 + 1.5 "(with 1%, DMSO)
79
j19427980
Table 3
Strain
Streptococcus pyogenes A 561 Bacillus subtilis ATCC 6 633
Tetracycline Sensitive ATCC 9 637 Escherichia Coli
Resistant Tetracycline
Pen-sensitive staphylococc aureus ATCC 6 538
Foam resist. staphylococcus a
UC 1 128
Staphylococcus aureus exp.n54 Streptococcus pyogenes A 561 Streptococcus faecalis 5 432 Streptococcus faecalis 99 F 74 Bacollus subtilis ATCC 6 633
Tetracycline Sensitive
ATCC 9 637 Escherichia Coli
Reznet.Tetratsiklinu ATSS 11 303 Eschericbia Coli
NTK, mkg / smz 24 h T 48 h
0.3 0.5 10 20
20
20
Resist. Gentamicin Tobramycin R 55 123 D Escherichia Coli
85
Strain Klebsiella pneumonias Exp52 145
Gentamicin Klebsiella
pneumoniae 2 536
Proteus mirabilis (indole-) A 235
Salmonella typhimurium.
Strain

Pen-Feel staphylococcus
aureus ATCC 6 538
Pen-resist. staphylococcus aureus
UC t 128
Staphylococcus aureus exp.n 54 14
Streptococcus pyogenes A 561
Streptococcus faecalis 5.432
Streptococcus faecalis 99 F 74
Bacillus subtills ATCC 6 633
Feeling. Tetracycline ATCC 9637
Escherichia coli.
Reist. Tetracycline ATCC 11 303
Escherichia coli
Escherichia Coli Exp.
Rezist. Gentamytsnn Tobramycin
R 55 123 D Escherichia Coli
Klebsiella pneumoniae Exp. 52 145
Rezist, Gentamicin Klebsiella
pneumoniae 2 536
Proteus mirabilis Hindop-) A 235
Salmonella typhimurium 420
Rezist. Gentamicin 2 532 Serratia
1194279
T
Pen-senses, staphylococcus aureus ATCT 6 538
Pen-resist. staphylococcus aureus UC t 128
Staphylococcus aureus exp.n 56 146 Streptococcus pyrogenes A 561 Streptococcus faecalis 5 432 Streptococcus faecalis 99 F 74
Feels like. Tetracycline 7624 Escherichia Coli
Resist Tetracycline ATCC 11 303
0.5
0.2
0.5 0.5
rO 02
20 .
20
89
Gothamm
Streptococcus pyrogenes A 561
 .
Streptococcus faecalis 5 432 Streptococcus faecalis 99 F 74
Feels like. Tetracycline 7624 Escherichia Coli
Resist Tetracycline ATCC 11 303
Strain
Pen-Feel Staphylococcus aureus ATST 6 538
Pen-resist. Staphylococcus aureus UC 1 128
Staphylococcus aureus exp.n ° 54 146 Streptococcus pyrogenes A 561
Feels like. tetracycline 7624 Escherichia Coli
Resistive. Tetracycline ATCC 11 303 Eschierichia Coli
Escherichia Coli Exp.
90 Continued table. 9
MTK, mkg / smz 24 h I 48. h
0.05 0.05 5 10 2 10
one
Table 10
MTK, mcg / cm ..
24 h 48 h
0.5
0.5
.91. 119427992
Strain
Resist Gentamicin, Tobramycin
R 55 123 D Escherichia Coli
Klebsiella pneumoniae Exp. 52 145
Resist Gentamicin Klebsiella
pneumoniae 2 536
Proteus mirabilis (indole-) A 235
Salmonella typhinurium 420
Strain
Pen-Feel staphylococcus aureus
ATST 6 538
Pen-resist, staphylococcus aureus
UC 1 128
Staphylococcus aureus exp. n 54.146
Streptococcus pyrogenes A 561
Feels like. Tetracycline 7624
Escherichia coli
Resist Tetracycline ATCC 11 303
Escherichia coli
Escherichia Coli Exp.
Resist Gentamicin, Tobramycin
R 55 123 D Escherichia Coli
Klebsiella pneumoniae Exo. 52 145
Resist Gentamicin Klebsiella
pneumoniae 2 536
Proteus mirabilis (indole-) A 235
Salmonella typhimurium 420
Continued atbl. ten
MTC, mcg / cm3
I
24 h 48 h
Table 11 MTC, psg / cm
R
24 h48 h
93
Pen-senses, staphylococcus aureus
ATST 6 538
Pen-resist. staphylococcus aureus
UC 1 128
Staphylococcus aureus exp.n 54,146 Streptococcus pyrogenes A 561
Feels like. Tetracycline 7624
Escherichia coli
Reist. Tetracycline ATCC 11 303
Pen-senti.- Staphylococcus aureus
ATST 6 5380,50,5
Pen-resist. Staphylococcus aureus
UC 1 1281
119427994
Table 12
five
10 0.2
Table 13
Tamm A Staphylococcus aureus
ATCC 6 538 Pen-Sens.
In Staphylococcus aureus UC 1 128 Pen-resisTent.
With Staphylococcus aureus exp-n 54 146
D Streptococcus pyogeneg A 561
E Bacillus subtilis AtCC 6 699
F Escherichia Coli Resist. Tetracycline ATCC 11 303
Continued table. 13
1194279
G Escherichia Coli Exp.
N Escherichia Coli Resist.
I Klebsiella pneumoniae
J Klebsiella pneumoniae
To Proteus mirabilis (indole-)
L Proteus vulgaris A 232
M Salmonella typhimuriUm 420
98 Continued table. 14 Gentamicin Tobramycin R 55 123 D Exp. 52 145
2 536 Reeist. Gentamicin A 235
99
Staphylococcus aureus
1194279100
Table 16
101
&
ii; r
R
1194279102
Table 17

权利要求:
Claims (1)
[1]
METHOD FOR PRODUCING PRODUCTION-
GOVERNMENTAL cephalosporin or readily hydrolyzable esters .SLOZHNYH OR THEIR SALTS WITH A METAL formula I (0) _n
CONH‘0
COORo in the form of syn-isomers, where R. is a hydrogen atom, alkyl optionally substituted with a bromine atom, carboxymethyl, ethoxycarbonyl, benzyl, benzoyl, 1-hydroxyhexadecyl or cyclo-dodecyloxycarbonyl;
R ₂ is a hydrogen atom, a residue of an easily hydrolyzable ester group or an alkali metal cation such as sodium;
R ₃ is straight or branched C, C ₄ alkyl, optionally interrupted oxygen atom, allyl or benzyl;
X is an oxygen or sulfur atom or sulfinyl;
and - 0 or 1, characterized in that the compound of the formula where where Rj, Xi p have the indicated meanings, are reacted with a reactive derivative of an acid of the formula I "
N — 7T-C-COOH. “W ™ s and where is R ^ - 1-metip-1-methoxyethyl, C ^ -C alkyl, possibly substituted with a bromine atom, benzyl, benzoyl, 1-hydroxyhexadecyl or cyclododecyloxycarbonyl, in an inert organic solvent in the presence of a base at a temperature of from -70 ° C to room temperature and the resulting product removes trityl protective and
The 1-methyl-1-methoxyethyl group is preliminarily removed from the 1-methyl-1-methoxyethyl group, the hydroxyl group is esterified to give its tert-butoxycarbonylmethyl ester or ethoxycarboxylic acid ester followed by removal of the trityl group, if necessary, with simultaneous translation simple tert.-but-
1194279 of the hydroxycarbonyl methyl ether in pros-acid or its complex, easily hydrated, carboxymethyl ether, and the isolated-ester or its salts, alkali the desired product in the form of free smoke with a metal such as sodium.

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CH637656A5|1983-08-15|METHOD FOR REDUCING CEPHALOSPORINE SULFOXIDES.

---

AT390956B|1990-07-25|METHOD FOR PRODUCING NEW, 3-POSITIONED PROPENYLAMINOTHIAZOLYLCEPHALOSPORANIC ACIDS AND THEIR ESTERS

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DE3109761A1|1981-12-24|HYDROXAMIC ACID DERIVATIVES OF 7 - | -OXIMINO) -CEPHALOSPORINES, MEDICINAL PRODUCTS CONTAINING THESE COMPOUNDS AND THEIR USE IN CONTROLLING BACTERIAL INFECTIONS

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CH657857A5|1986-09-30|3-VINYL-3-CEPHEM COMPOUNDS SUBSTITUTED IN 7-POSITION AND METHOD FOR THE PRODUCTION THEREOF.

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KR870002181B1|1987-12-28|Process for preparing cephalosporins

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JPH068300B2|1994-02-02|New cefalosporin derivative

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EP0379132A2|1990-07-25|Cephalosporin derivatives and process for their preparation

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DE3809561A1|1989-10-05|ESTER OF 7- | -2- | - HYDROXYIMINOACETAMIDO) -3-METHOXYMETHYL-3-CEPHEM-4-CARBONIC ACID, PROCESS FOR THEIR PRODUCTION AND PHARMACEUTICAL ACCESSORIES CONTAINING IT

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KR0157589B1|1998-11-16|Novel cephalosporin antibiotics and process for preparation thereof

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FR2499995A1|1982-08-20|7-2-2-Amino-4-thiazolyl 2-hydroxy:imino-acetamido 3-cephem derivs. - 3-substd. by alkoxy- or alkyl-thio-methyl are antibiotics active against gram positive and gram negative bacteria

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CH629814A5|1982-05-14|METHOD FOR PRODUCING CEPHALOSPORINANTIBIOTICS.

同族专利:

---

公开号 | 公开日

---

DE3177185D1|1990-06-28|

---

GR73815B|1984-04-18|

---

JPS58170789A|1983-10-07|

---

JPH0639476B2|1994-05-25|

---

FR2476087A1|1981-08-21|

---

ES499487A0|1982-08-16|

---

DE3167891D1|1985-02-07|

---

ES509128A0|1983-01-01|

---

ES8302003A1|1983-01-01|

---

AT10941T|1985-01-15|

---

CA1181740A|1985-01-29|

---

ZA81800B|1982-02-24|

---

EP0034536A2|1981-08-26|

---

DE3177186D1|1990-06-28|

---

AU542325B2|1985-02-21|

---

HU185628B|1985-03-28|

---

PT72512B|1982-10-21|

---

AU6738181A|1981-08-27|

---

EP0034536B1|1984-12-27|

---

US4992431A|1991-02-12|

---

JPH0143757B2|1989-09-22|

---

ES8206520A1|1982-08-16|

---

JPS6452784A|1989-02-28|

---

FR2532313A2|1984-03-02|

---

JPH0794462B2|1995-10-11|

---

FR2476087B1|1983-07-18|

---

JPS56128786A|1981-10-08|

---

FR2532313B2|1985-03-22|

---

PT72512A|1981-03-01|

---

EP0034536A3|1981-11-04|

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法律状态:

优先权:

---

申请号 | 申请日 | 专利标题

---

FR8003479A|FR2476087B1|1980-02-18|1980-02-18|

---

FR8214575A|FR2532313B2|1980-02-18|1982-08-25|

---