Method of preparing 7-substituted aminoacetamido-1-oxadethiacephalosporins

专利摘要:
Antibacterial 7-substituted aminoacetamido oxadethiacephalosporins of the formula: <IMAGE> [wherein R is substituted amino, substituted phenyl, or 5- or 6-membered hetero ring; Ar is aryl; Y is hydrogen or methoxy; Het is 5- or 6-membered aromatic hetero ring; and Z is hydroxy or carboxy protecting group] preparable e.g. by acylation of 7 alpha -methoxy-7 beta -amino-3-heterocyclic thiomethyl-3-cephem-4-carboxylic acid derivatives, are highly active against gram-positive and gram-negative bacteria, especially those resistant to other cephalosporins and penicillins.
公开号:SU799665A3
申请号:SU782655255
申请日:1978-08-31
公开日:1981-01-23
发明作者:Нарисада Масаюки；Цудзи Терудзи；Есиока Мицуру；Мацумура Хирому；Хамасима Есио；Нагата Ватару；Хаяси Садао
申请人:Сионоги Энд Ко,Лтд (Фирма)；
IPC主号:

专利说明:

one
The invention relates to a process for the preparation of novel biologically active chemical compounds, namely, 7-displaced aminoacetamido-1-oxadethiacephalosporins, which can be used in medicine.
A known method for the preparation of 1-oxadethiacephalosporins of the general formula
Have
1 I p
Nn
ArCHCONH-i-j v. eleven ., ,
owls
O T, I
owls
sn.
where Air is 2-thienyl, 3-thienyl, phenyl, p-hydroxyphenyl or alkanoyloxyphenyl;
groups of owls and owls, independently of one another, a free or protected carboxyl group;
Y is a hydrogen atom or methoxy group, or their salts, by acylation of the corresponding derivative with 7-amino-3- (1-methyltetrazol-5-ylthiomethyl) -1-oxadiethia-3-cephem-4-carboxylic acid with the corresponding derivative of phenylmalonic acid or with anhydrogen anhydride.
These compounds possess the biologically active properties of Li J.
The purpose of the invention is the synthesis of new derivatives of 1-oxadiethiacephaloslorins, expanding the arsenal of means of action on a living organism.
The goal is achieved by the method of obtaining 7-substituted aminoacetamido-1-oxadethiacephalosporins of general formula 1
f
v, g
KCONHCH CONH- - "
J-1.
n
five
Lg about
CMj
coz
where R is a group
 about
in which R is lower alkyl,
or group
X i
and ,, -sms
I.
in which X is oxygen or 2: epa; .R and R is lower alkyl and hydrogen atvm; or R is 3-mesyl-2-oxoimidaeolidin-1-yl, diacetoxyphenyl, oxothiopyranyl or 8-lower alkyl-3-lower alkoxy-5-oxo-5,8-dihydropyrido (2,3-e) pyridazinyl;
Ar phenyl, optionally substituted with hydroxy;
Y is a hydrogen atom or methoxygruppa;
z hydroxy or diphenylmethoxy.
full
is concluded
that soeformula 11 inenie
HN CH CONH- -f °
;. 7
COZ
Where Ar, Y and Z have the indicated meanings,
subjected to acylation with an acid of the formula RCOOH, where R has the indicated meanings, or. its reactive derivative at a temperature from to room temperature in an inert solvent in the presence of a base.
Before acylation in a compound of the formula P, it is possible to activate the oC-amino group as isocyanol, isocyanate &amp; 1-haloalkylideneamino, 1-alkoxyalkylideneamino, silylamino and enamine The compound of formula 111 may be in the form of an acid halide, anhydride, ester, amide and ketene. The acylation is carried out in the presence of a base, such as, for example, triethylamine, pyridine or sodium bicarbonate.
P. C and me. 1. A solution of 75 mg of 7-D-et- (p-hydroxyphenyl) -glycylamino-3 (1-methyl-1H-tetrazol-5-ylthiomethyl) -1-oxadethia-3-cephem- trifluoroacetate 4-carboxylic acid in 2.0 m of tetrahydrofuran is stirred thoroughly while cooling on ice, and at the same time a solution of 100 mg of 4-ethyl-2, 3-dioxo-1-piperazinylcarbonylchloride in 0.5 ml of tetrahydrofuran and 2 ml of a 5% aqueous solution of sodium bicarbonate, then stirred for 30 minutes at. The strdhydrofuran is evaporated in an atmosphere of argon and water is added to the mixture. The mixture is washed with ethyl acetate, n (hpGa1L11u are diluted with hydrochloric acid and the oil is precipitated. The aqueous layer is evaporated to dryness under reduced tacking. The residue is extracted with methanol and the extract is evaporated to distill off the solvent. The residue and the precipitated oil is chromatographed on a silica gel column containing 10% water
(6 g) and eluted with ethyl acetate-acetic acid (5: 1), 30 ml of ethyl acetate-acetic acid eluate is subjected to silica gel thin layer chromatography and isolated with ethyl acetate-acetic acid-water (8: 1: 1) at R 0.15. 11mg of pure T (1 hygroscopic 7-D-ot- (p-hydroxyphenyl) -N- (4-ethyl-2,3-dioxo-1-piperazinylcarbonyl) glycylamino-3- (2-methyl-1H-tetrazole-5 -ylthiomethyl) -1-oxadethia-3-cephem-4-carboxylic acid as a white powder. Elemental analysis for C HjO.
Calculated,%: C 46.17;
4.66;
H
5 N 17.23; S 4.92. Found,%: From 46.30; H 4 55;
17.36; S 4.80,
N
To a suspension of 130 mg of trifluoroacetate -o (/ - (p-hydroxyphenyl) -glycylamino-3- (1-methyl-1H-tetrazol-5-yl-thiomethyl) -1-oxadethia-3-cephem-4-carboxylic acid 2 ml of acetonitrile was added 0.50 ml of propylene oxide and 0.25 ml of bis (trimethylsilyl) acetamide while cooling on ice and the mixture was stirred for 10 minutes, then 46 mg of 4-ethyl-2,3-dioxo-1 was added α-piperazinylcarbonyl chloride. The mixture is stirred for 1 hour at 0 ° C and more than 30 minutes at room temperature, then 5% aqueous sodium bicarbonate solution and ethyl acetate are added. The aqueous layer is washed with ethyl acetate and the mixture is to pH 2 with dilute hydrochloric acid and the precipitate filtered off The filtrate was chromatographed on a silica gel kvlonke containing 10% water (7 g) and eluted with acetone - acetic acid (1: 1). 70 ml.
The eluate is subjected to thin layer silica gel chromatography and the mixture is separated from ethyl acetate - acetic acid - water (8: 1: 1) with R 0.20. 95 mg of (p-hydroxyphenyl) —Y- (4-ethyl-2, 3-dioxo- 1-piperazinylcarbonyl) glycylamino-3- (1-methyl-1H-tetrazol-5-ylthiomethyl.) -1-oxadethia-3-cephem-4-carboxylic acid as a powder. Yield 68%, T 175178 C (decomposition),
Example 2, To a suspension of 160 mg of trifluoroacetate 7-o (, - methoxy-7-P) (, - (p-hydroxyphenyl) -glycylamino-3- (1-methyl-1H-tetrazol-5-ylthiomethyl) -1-oxadethia -3-cephem-4-carboxylic acid in 2 ml of acetonitrile was added 0.50 ml of propylene oxide and 0.30 ml of N-bis (trimethylsilyl) -acetamide while cooling on ice. The mixture was stirred for 20 minutes and 70 mg was added 4-ethyl-2,3-dioxo-1-piperazinylcarbonyl chloride, a dilute aqueous solution of sodium bicarbonate is added, and after stirring for 1 hour at 0 ° C and ethyl acetate is added at room temperature to 5. The sodium bicarbonate solution is washed with ethyl acetate and neutralized with dilute hydrochloric acid. The precipitate is filtered off, the filtrate is chromatographed on silica gel containing 10% water. Fractions eluted with acetone-acetic acid (4: 1) are collected and collected and evaporated to give 90 mg of 7-o - methoxy-7-p-0-o - (p-oxyphenyl) -N- (4-ethyl-2, 3-dioxo-1-piperazinylcarbonyl) glycylamino-3- (1-methyl-1H-tetrazol-5-ylthiometi - 1-oxchetia-3-cephem-4-carboxylic acid in powder form. Yield 52%, 182-18b C (decomposition). Example 3. According to the method of example 1, but using trifluoroacetate 7- (O-oC-phenylglycylamino) -3- (1-methyl-1H-tetrazol-5-ylthiomethyl) -1-oxadethia-3-cephem-4-carboxylic acid get 54 mg of crystals, -pheny-N- {4-ethyl-2, 3-dioxo-1-piperazinyl carbonyl) glycylamino-3- (1-methyl-1H-tetrazol-5-ylthiomethyl) -1-oxadethia-3-cephem -4-carboxylic acid Yield 66%, T d169-171 ° C. Example 4. The reaction is carried out as in example 1 using 80 mg of 7- (O-ot-phenyl-glycylamino) -3- (1-methyl-1H-tetrazol-5-ylthiomethyl) -1-oxa-tetya-3-cephem-4 trifluoroacetate. -carboxylic acid with 82 mg of dimethylureidocarbonyl chloride and get 26 mg of 7- {o-x) 6-phenyl-N- (1, 3-dimethylureidocarbonyl) glycylamino-3- (1-methyl-1H-tetrazol-5-ylthiomethyl) - 1-oxadethia-3-cephem-4-carboxylic acid as a colorless powder. Yield 32.5%, Tpd 143-148 ° C, 95.9+ +6.3 (with 0.217, 1% aqueous sodium bicarbonate solution). Example 5.1.2 ml of propylene oxide and O, 5 ml of bis (trimethylsilyl) acetamide was added to a suspension of 300 mg. 7- (O-ot-p-hydroxyphenylglycylamino) trifluoroacetate (1-methyl-1H-tetrazol-5-ylthiomethyl) -1-oxadethia-3-cephem-4-carboxylic acid in 5 ml of acetonitrile and stirred for 10 min at. 150 mg of 4-methyl-2, 3-dioxo-1-pipera zinylcarbonyl chloride is added and the mixture is stirred for 1 hour at the same temperature and 1 hour at room temperature. The mixture is treated as in Example 1 and 180 mg of (, - (p-hydroxyphenyl) -Y- (4-methyl-2, 3-dioxo-1-piperazinylcarbonyl) glycylamino-3- (1-methyl-1H-tetrazole-5- Ilthiomethyl) -1-xadethia-3-cephem-4carboxylic acid. Yield: 56%. IR spectrum Ud, 3280, 1780, 1700, and 1680 cm. The diphenylmethyl ester of this compound has an NMR spectrum, OD (5: 1): 2.97 S ZN; 3.50-4.60 m 8H; 3.75 S ZN; 4.90 d (4 Hz) 1H; 5.45 d (6 Hz) 1H; 5.50 d - d (4 Hz, 9 Hz) 1H; 6.69 d (7 Hz) 2 H 6.75 S 1 H; 9.77 d (6 Hz) 1 H. Examples 6-9. Compound II is reacted with compound III and compound 1 is obtained. passes according to the scheme: i jLcHfi J N NCHCONH- f COZsn. Ki RCOCf - KCONHCH C 0 / VH- I - o HS The reaction conditions and the yield of the desired product are shown in Table 1, and the physical constants are given in Table 2. Examples 10 to 13. The compounds of these examples are prepared according to the procedures described in Examples 1 to 9. The characteristics of the compounds are given in Table 3. Table 4 lists the characteristics of the starting compounds of formula 11, and table. 5 - characteristics of the starting compounds of formula 111. The proposed 1-oxadiethiacephalosporins are active antibacterial agents with respect to gram-negative and resistant to the action of known cephalosporins and peny-, cylline strains.
ti I S You
BUT
EH
CN GO ir
G-JO -
ABOUT


F -
about - - about o
"
(HE
(ABOUT
about.

about
I
U
I (O
you;
about H S U (, W I
JC N A F G 04 ei
IIII II. II fa
d jr 4) kSh t O. U
ha
-TO
with; Yu
(I
EH
3
1L Ov 1L cm VO
m tH
about
h C
 t Oh
- I ate
 1G and
P 1-1
g
N "N I
1L
ts rs
RCONHCHCONH-j NA | W
Ar -xJ- "25A A
ten
d11
S CH-L / HCW)
CH,
HjNCHCONH-I1
AU
1660-1700 H (NujoC) 1785, 1680
Ph
trchfluoroacetate
Table 3
0 TI
j, ..-.
COOH
Ph 185
3410.1779, 1665,
I
1603,1522
190
Ph 178
3400.1789, 1740,
1 185
1690,1394, 1358,
1169
3390.1772, 1739,
-HO- 204
PhI
1683.1614, 1355
211
1168
3400.1789, D670,
1515,1500
T a b l and.-D a 4
QX.N-N
0 TI
COOH
CH,
3,4,7,8
,
V
9,10,11 13

权利要求:
Claims (1)
[1]
1. USSR patent for application number 246430 / 23-04, cl. C 07 D 498/04.25.03.76.

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法律状态:

优先权:

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申请号 | 申请日 | 专利标题

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JP51105117A|JPS612672B2|1976-09-01|1976-09-01|

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