申请人:Fujisawa Phamaceutical Co., Ltd.
公开号:US05401734A1
公开(公告)日:1995-03-28
Cephem compounds of the formula: ##STR1## wherein R.sup.1 is amino or a protected amino group, Z is N or CH, R.sup.2 is lower alkyl, mono(or di or tri)halo(lower)alkyl, lower alkenyl, lower alkynyl, phenyl, naphthyl, phenyl(lower)alkyl, carboxy(lower)alkyl or protected carboxy(lower)alkyl, and R is a group of the formula: ##STR2## in which R.sup.3 and R.sup.4 are each lower alkyl, A is lower alkylene, and R.sup.5 is hydroxy or a protected hydroxy group; or pharmaceutically acceptable salts thereof show antimicrobial activities and are useful in the treatment of microbial infections.
化合物Cephem的分子式为:##STR1## 其中R.sup.1是氨基或保护的氨基基团,Z是N或CH,R.sup.2是较低的烷基,单(或二或三)卤素(较低)烷基,较低的烯基,较低的炔基,苯基,萘基,苯基(较低)烷基,羧基(较低)烷基或保护的羧基(较低)烷基,并且R是分子式:##STR2## 其中R.sup.3和R.sup.4分别是较低的烷基,A是较低的烷基,R.sup.5是羟基或保护的羟基基团;或其药学上可接受的盐具有抗微生物活性,可用于治疗微生物感染。