This invention relates to new compounds comprising alkoxyimino dioxy butyric acid cepham derivatives, useful as intermediates in the production of antimicrobial agents.
本发明涉及新的化合物,包括烷氧基亚亚硝基丁酸头孢衍生物,在生产抗微生物药物的中间体中有用。
Syn 7-oxoimino substituted derivatives of cephalosporanic acid
申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04166115A1
公开(公告)日:1979-08-28
The present invention relates to new syn-isomer of 3,7-disubstituted-3-cephem-4-carboxylic acid compounds and pharmaceutically acceptable salts thereof. More particularly, it relates to new syn-isomer of 3,7-disubstituted-3-cephem-4-carboxylic acid compounds and pharmaceutically acceptable salts thereof which have antibacterial activities and to processes for the preparation thereof, to pharmaceutical composition comprising the same, and to a method of using the same therapeutically in the treatment of infectious diseases in human beings and animals.
The invention relates particularly to syn compounds of the formula: ##STR1## wherein R.sup.2 is hydrogen or an aliphatic hydrocarbon which may be substituted with halogen, carboxy or pharmaceutically acceptable esterified carboxy, R.sup.5 is carboxy or pharmaceutically acceptable esterified carboxy, R.sup.6 is amino or protected amino and R.sup.7 is lower alkanesulfonyl or arenesulfonyl and pharmaceutically acceptable salt thereof, processes for making them, pharmaceutical compositions containing them and their use in treating infectious diseases.
Cephem and cepham compounds and processes for preparation thereof
申请人:Fujisawa Pharmaceutical Company, Ltd.
公开号:US04923998A1
公开(公告)日:1990-05-08
7-substituted 3-cephem or cepham compounds characterized by the grouping, in the 7-position thereof, of the formula: R'--A--CONH-- where R' is thiadiazolyl or amino thiazolyl, and A is methylene carrying oxyiimino, or R' is haloacetyl and A may also be methylene, their preparation, and pharmaceutical uses.
A 3,7-disubstituted-3-cephem-4-carboxylic acid of the general formula: ##STR1## having antibacterial activity, processes for preparing same, and pharmaceutical compositions thereof for treating infectious diseases in humans and animals.