Title:
SYN-ISOMER OF 7-SUBSTD.-3-METHYL-3-CEPHEM-4-CARBOXYLIC ACIDS, THEIR SALTS,AND THEIR PREPARATION
Document Type and Number:
Japanese Patent JPS5368795
Kind Code:
A
Abstract:
PURPOSE: Syn-isomer of 7-substd, -3-methyl-3-cephem-4-carboxylic acids of formula I [R1 is radical II(R4 is H, halogen nitro, OH, alkoxy, acyloxy; R5 is OH' alkoxy, acyloxy, acylamino, etc.), radical III(R6 is amino, protected amino); R2 is aliphatic hydrocarbon radical with/without pertinent substituents; R3 is carboxy, protected carboxy] and their salts, e.g. 7- [2-methoxyimino-2-(3-hydroxyphenyl) ACETAMIDE]-3-methyl-3-cephem-4-carboxylic acidi [syn-isomer].
Inventors:
TAKATANI TAKAO
MASUGI TAKESHI
TAKASUGI HISASHI
KAWACHI HIROMU
MASUGI TAKESHI
TAKASUGI HISASHI
KAWACHI HIROMU
Application Number:
JP8248977A
Publication Date:
June 19, 1978
Filing Date:
July 08, 1977
Export Citation:
Assignee:
FUJISAWA PHARMACEUTICAL CO
International Classes:
A01N37/50; A01N43/78; A61K31/545; A61K31/546; A61P31/04; C07C251/48; C07C251/60; C07D277/20; C07D277/38; C07D277/40; C07D277/46; C07D333/16; C07D501/06; C07D501/20; C07D501/22; C07D501/24; C07D501/32; C07D501/34; C07D501/36; (IPC1-7): A61K31/545; C07D501/22
Domestic Patent References:
| JPS4972286A | 1974-07-12 | |||
| JPS52116492A | 1977-09-29 | |||
| JPS51149296A | 1976-12-22 | |||
| JPS4849789A | 1973-07-13 | |||
| JPS484487A | ||||
| JPS50111093A | 1975-09-01 |