申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04506076A1
公开(公告)日:1985-03-19
The present invention relates to new 3,7-disubstituted-3-cephem-4-carboxylic acid compounds and pharmaceutically acceptable salts thereof which have antimicrobial activities and to processes for preparation thereof, to pharmaceutical compositions comprising the same, and to a method of using the same therapeutically in the treatment of infectious diseases in humans and animals. This division relates to intermediate compounds, namely amino or amido-thiazolyl, substituted oxyimino disubstituted acetic acid of the formula: ##STR1## wherein R.sup.1 is amino or a protected amino group; R.sup.2 is --CONH--R.sup.5, --NHCO--R.sup.5, or ##STR2## R.sup.5 is aryl or heterocyclic, either of which may be substituted, R.sup.6 is hydrogen or lower alkyl, and A is lower alkylene, or a salt thereof.
本发明涉及新的3,7-二取代-3-头孢烷-4-羧酸化合物及其药学上可接受的盐,具有抗微生物活性,以及其制备过程,包括含有该化合物的制药组合物,以及在治疗人和动物的传染病中治疗的治疗方法。本发明涉及中间体化合物,即式子:##STR1##其中R.sup.1是氨基或保护的氨基基团;R.sup.2是--CONH--R.sup.5,--NHCO--R.sup.5,或##STR2##R.sup.5是芳基或杂环,其中任一可以被取代;R.sup.6是氢或较低的烷基;A是较低的烷基烯,或其盐。