Disclosed are 2-(syn)-hydroxyimino-acetamide derivatives of the formula: ##STR1## wherein Y is hydrogen, hydroxyl, an acyloxy, carbamoyloxy, a quaternary ammonium or a nitrogen-containing heterocyclic ring-substituted thio group; or pharmaceutically acceptable salts or esters thereof are useful as antibacterial agents. Also disclosed are processes for producing them.
3-Substituted-7-substituted alkanamido-3-cephem-4-carboxylic acid compounds and pharmaceutically acceptable salts thereof which have antimicrobial activities, processes for the preparation thereof, pharmaceutical compositions comprising the same, and methods of using the same therapeutically in the treatment of infections.
Syn-isomer of 3,7-disubstituted-3-cephem-4-carboxylic acid compounds and
申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04304770A1
公开(公告)日:1981-12-08
Preparation of pharmaceutical composition comprising, treatment of human and animal diseases with, and compound of, 3,7-disubstituted-3-cephem-4-carboxylic acid.
含有3,7-二取代-3-头孢烯-4-羧酸的制药组合物的制备,以及用于治疗人类和动物疾病的化合物。
Syn isomer of 7-[2-cyclo(lower) alkoxyimino-2-(2-amino-or substituted
申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04331664A1
公开(公告)日:1982-05-25
Syn isomers of 3-substituted 7-[2-substituted imino-2-substituted acetamido]-3-cephem-4-carboxylic acid and salt bacteriostatic-compounds and pharmaceutical compositions thereof and processes for preparing same.
New syn-isomers of 3-cephem-4-carboxylic acids having anti-bacterial activities, processes for preparation thereof, pharmaceutical compositions thereof, with the acids being substituted at the 3 position with acyloxymethyl, hydroxymethyl, formyl or heterocyclic thiomethyl groups and at the 7 position with alkoxyiminoacetamido substituted with substituted phenyl or substituted thiazolyl.