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    1447462 Thiolincosaminides UPJOHN CO 15 Feb 1974 [6 March 1973] 7001/74 Heading C2C Novel compounds (I) wherein either R 1 and R 2 are taken independently and R 1 is hydrogen and R 2 is AcNH- wherein Ac is carboxacyl or an acyl radical of the formula wherein Z is hydrogen, alkyl or a protective group removable by hydrogenolysis and R 5 is alkyl; or R 1 and R 2 are taken together and are a divalent group of the formula wherein Z and R 5 are as defined above; when R 1 and R 2 are taken together, R 3 is hydrogen, and when R 1 and R 2 are taken independantly, R 3 is a monovalent thio group in the 7(S)- position of the formula wherein A is hydrogen or hydroxyl, either B is hydrogen in which case n is zero or 1, or B is hydroxyalkyl in which case n is zero, X is oxygen or sulphur with the proviso that it is not sulphur if Ac is carboxacyl (and R 1 and R 2 are taken together), and D is an acyl radical derived from a hydrocarbon carboxylic acid; R 4 is alkyl and Y is hydrogen or carboxacyl, are made by reacting an alkyl N-acyl-6,7-aziridino- 6-deamino-7-deoxy-α-thiolincosaminide with a carboxylic acid and a cyclic sulphur compound of formula to give (I) where R 3 is said monovalent thio group; compounds (I) where R 1 and R 2 together signify said divalent group are made by acylating aziridino thiolincosaminides. The invention also comprises processes for converting the products (I) into lincomycin derivatives. Pharmaceutical preparations contain (I) where Y is H as active ingredient.
    公开号:SU944506A3
    申请号:SU742003195
    申请日:1974-03-05
    公开日:1982-07-15
    发明作者:Бэннистер Брайэн
    申请人:Те Апджон Компани (Фирма)；
    IPC主号:
    专利说明:

    The invention relates to a process for the preparation of new compounds derived from dl-thiolinkosaminide, which are intermediates in the synthesis of lincomycins, important antibacterial drugs, and which allow obtaining these preparations with an improved yield. A known method for the preparation of oC-thiolinozaminide derivatives by the sulfidation reaction of alkyl-M-acylH CH3-C- $ -CH (CJJ) n-C% -JC-CHi OAc
     I
    AC-IT-SN
    AcolF-M
    Tfechj
    where X s or 0; n 0. 1;
    (I)
    AC aijCX) -,
    methyl-Ctacetyl-b, 7 aziridino-6-deamI -2,3, -tri-0-acetyl-6,7-aziridino-B-deamino-7-deoxy-oC-thiolinkozaminiDa D. The purpose of the invention is to obtain new derivatives 1 o-thiolinosaminidine. The goal is achieved by the fact that according to the method of obtaining new derivatives of cL-thiolinkosaminides of the general formula no-7 Deoxy-c - the thiolinkcoxaminidide of the formula SCEj QA.C is subjected to interaction with the sulfur compound of the formula he), cn, where X and n have the indicated values, glacial acetic acid at 100 The use of the proposed compounds in the synthesis of lincomycin derivatives allows increasing the yield of the latter from 16 by a known method to 261.. Example 1. Methyl-Y-acetyl-2, 3, + -tri-0-acetyl-7 Deoxy-7 (S) - (2-acetoxymethylthio) -ethylthio- (1-thiolyncosaminide. 5) 0 g (1 molar equivalent of methyl 2,3, -tri-0-acetyl 6 (R), 7 (R-acetyl aziridino-6-deamino-7-deoxy-d-thiolynosaminide, 50 g of 1,3-dithiolane and 5.25 g (5.0 ml, 7 molar equivalents) of glacial acetic acid. The resulting mixture is heated for about 20 hours in an oil bath at a temperature of about. After this period, the reaction mixture is distilled at 100 ° C and under pressure of 7 mm Hg. Solid residue diffusion p water and methylene chloride are separated. The organic layer is separated and then washed with water. The washed solution is dried with non-aqueous sodium sulfate. The bulk material is subjected to a counter-distribution in the system ethanol water - ethyl acetate - cyclohexane (1: 1: 1: 3), methyl-K-acetyl-2, 3, -tri-0-acetyl-7-deoxy-7 (S) - (2-acetoxymethylthio) ethylthio-o1-thiolin-cozaminid with an equilibrium constant of 0.98. As a result of recrystallization from ethyl acetate - Skeilysolve - B (essentially H-heptane, boiling point 60b3 C), get 5.83 g (83 theory.) 9 4 products as colorless x needles, melting point cLjJ +167 (C = 0.97, W1). Analysis:), Calculated, and: C “b, 38; H 6.19; N 2.46; S 16.89. Molecular Weight 5b9. Found:: C "6.07; H 6.18; N 2, t6; S 16.85. Molecular weight 5b9 (mass spectrum. M). Example 2. Methyl-M-acetyl-2, 3, -tri-0-acetyl-7 deoxy-7 (S) - (3-acetoxymethylthio) -propylthio-o /.- thiolinkosaminide. 5.0 g (1 molar equivalent) of the indicated methyl -2, 3, 4-tri-0-acetyl-6 (R), 7 (K) -acetyl aziridino-b-diamino-7 deoxy is fed to a suitable reaction vessel. -oC-thiolincamide and 50 g of 1, 3-dithian. The mixture is heated to melt. To the molten mixture, 5.25 g (5.0 ml, 7 molar equivalents) of glacial acetic acid are added, followed by stirring and heating the reaction mixture in an oil bath at 100 ° C. At the end of this period, the reaction mixture is allowed to cool, after which 75 ml of methanol are added, the crystalline 1.3 dithian (24.5 g) formed is removed by filtration. The filtrate is evaporated to dryness in a rotary evaporator at kO ° C and under a pressure of 7 mm Hg. The dry residue is chromatographed on silica gel (3 kg column, 10.5 x 72 cm) in an ethyl acetate — Skeliysove — B system (1: 1) to remove unreacted residues of 1.3 dithiane (total eluate 9.5 L). The elution solvent is used ethyl acetate to strip the light ends from the column. An aliquot of the final eluate shows the presence of the main material and traces of slurries with lower coefficients using thin-layer chromatography. As a result of the countercurrent distribution of the final eluate in the system ethanol - water - ethyl acetate - cyclohexane (1: 1: 1: 3), methyl-N-acetyl is obtained -2, 3,4-tri-0-acetyl-7 deoxy-7 (3) - (3 acetoxymethylthio) propylthio-C1-thiolinka, a minid with an equilibrium constant of 1.29. Recrystallization from ethyl acetate — Skeliysoive — B (1: 1) gives 97 g (69 theory) of product as colorless prism-like crystals, melting point 1: 31, 5-132.5 ° C. 0: + 16A (C - 0.9, SNSEC). Analyze 3: C H, 7 Calculated 7 I: C, 32; H 6.39; N 2.40; S I6, it8; Found,%: C 7.49; H 6.40; N 2, S 16.20. Molecular weight 583 (mass spectrum. M). Example 3-Methyl-M-acetyl-2, 3, -tri-0-acetyl-7-deoxy-7 (S) (2-acetoxymethoxy) ethylthio-c. -Thioline cosamine. 5.0 g (1 molar equivalent) of the indicated methyl 2,3, tri-0-acetyl-6 (R), 7 (R-acetyl-aziridino-6-deamino-7-deoxy - A-thiolynosaminide, 50 g of 1.3 oxathiolane and 5.25 g (5.0 ml, 7 molar equivalents) of glacial, acetic acid. The mixture is heated for approximately 20 hours in an oil bath at a temperature of about. After this period, the reaction mixture is distilled at 100 ° C and under a pressure of 7 mm Hg. Solid residue diffusion is separated into water and chlorine methylene. The organic layer is separated and washed with saturated aqueous solution Sodium bicarbonate with water and then with water. The washed solution is dried with anhydrous sodium sulfate. The residue obtained from the dried solution as a result of the removed solvent solvent is subjected to countercurrent distribution in the system ethanol - water ethyl acetate - cyclohexane (1: 1: 1: 2), methyl-N-acetyl-2, 3, -tri-0-acetyl-7-deoxy-7 (S) - (2-acetoxymethoxy) ethylthio-o1-thiolin-cozaminid with an equilibrium constant of 0.70. As a result of recrystallization from ethyl acetate - Skeiiysoive - B (1: 1) get 5.7 g (83% of theory) of the product as colorless needles, then melting point 148-Y9 C, (C - 1.01; SNAe). Analysis: Ccj rj H gNO-j-S / j Calculated,%: C 7.72; H 6.37; N 11.58; S 2.53. Molecular weight 553; Found: C, 91; H 6.50; N 11.37; S 2,0. Molecular weight 553 (mass spectrum. M). Example k. Methyl-M-acetyl-2, 3, -tri-0-acetyl-7-deoxy-7 (S) - (3-acetoxymethoxy-2-hydroxypropyl) thio-cct-thiolynosaminide and methyl-N-acetyl-2, 3 , -tri-0-cetyl-7-deoxy-7 (S) - (2-acetoxymethoxy-3-hydroxypropyl) thio-dL-thiolinosaminide. 66 To 50 g of a mixture of 5-hydroxy-1,3-oxathian and 5-hydroxymethyl-1, 3-onsathiolane, 10.0 g of methyl 2, 3, -tri-0-acetyl-6 ( R), 7 (RJ-acetylaziridino-6-diamino-7-deoxy-ot-thiolincosaminide, and 5.25 g (5.0 ml, 3.5 molar equivalent) of glacial acetic acid. The resulting solution is heated for approximately 20 hours an oil bath at a temperature of about 100 ° C. The easily evaporated material is removed (from distillation at 100 ° C under a pressure of less than 1 mm Hg. The solid residue is diffused into water and methylene chloride, the washed methylene chloride extract is dried By removing the solvent, a solid residue is obtained, which is converted into a countercurrent distribution in the ethanol – water – ethyl acetate – cyclohexanol system (1: 1: 1: 0.5), to give 3.75 g (52% of theory) of a mixture of methyl -H-acetyl-2,3, 4-tri-0-acetyl-7-deoxy-7 (5) - (3-acetoxymethoxy) -2-hydroxypropylthio-c -thiolinosaminide with methyl-M-acetyl-2,3, -tri-0-acetyl-7-deoxy-7 (3) - (2-acetoxymethoxy-3-hydroxypropyl) -thio-1-thiolinkosaminide with an equilibrium constant of 1.1, thin-layer chromatography shows the presence of two materials in approximately equal amounts Lit. Example 5. The use of compounds of formula (I) as intermediates for the preparation of lincomycin derivatives, to 3.75 g of a mixture of methyl-N-acethyl-2, 3, -tri-0-acetyl-7-deoxy-7 (S ) - (2-acetoxymethoxy-3-hydroxypropyl) thio-1 - thiolincamine and methyl-N-acetyl-2, 3, -tri-0-acetyl-7-deoxy-7 (S) - (3-acetoxymethoxy-2 -oxypropyl) thio-cC-tyolin-cozaminidine 100 g of hydrazine hydrate is added. The resulting mixture was heated under reflux in an oil bath for approximately. 22 h. After this period, the excess hydrazine hydrate is distilled off under vacuum, the residue is subjected to crystallization from 10 ml of a mixture of methanol and acetonitrile, 2.21 g are obtained (100% according to theory, 2b% of theory, in terms of the starting methyl M-acetyl-2, 3- -tri-0-acetyl-6 (R), 7 (K) -aziridino-6-diamino-7-deoxy-o1-thiolinkozaminid) methyl-7-deoxy-7 (S) - (2,3-Dioxypropylthio) -C1-thiolincosaminide
    in the eide of colorless priemic crystals, melting point 158-159 ° C.
    权利要求:
    Claims (1)
    [1]
    1. Patent number WkOJ, Iran's bulletin, 1972.
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    同族专利:
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    YU36744B|1984-08-31|
    PL102862B1|1979-04-30|
    HU170910B|1977-09-28|
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    US3702322A|1970-04-06|1972-11-07|Upjohn Co|Derivatives of lincomycin and its analogs and process|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    US338459A|US3870699A|1973-03-06|1973-03-06|Lincomycin analogs|
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