申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04622318A1
公开(公告)日:1986-11-11
The invention relates to new cephem compounds of high antimicrobial activity of the formula: ##STR1## wherein R.sup.1 is amino or a group of the formula: ##STR2## in which R.sup.5 is amino or a protected amino group, R.sup.9 is lower alkyl, lower alkenyl, lower alkynyl, cyclo(lower)alkenyl, carboxy(lower)alkyl, protected carboxy(lower)alkyl or saturated 4 to 8-membered heteromonocyclic group containing one sulfur atom, and Z is N or CH, R.sup.2 is cyano, phenyl, pyridyl, lower alkylpyridyl, or tri(lower)alkylsilyl, R.sup.3 is carboxy or protected carboxy, and A is --CH.dbd.CH-- or --C.tbd.C--, and pharmaceutically acceptable salt thereof.
该发明涉及具有高抗微生物活性的新头孢菌素化合物,其化学式为:##STR1## 其中R.sup.1是氨基或具有以下化学式的基团:##STR2## 在该式中,R.sup.5是氨基或受保护的氨基基团,R.sup.9是较低的烷基、较低的烯基、较低的炔基、环(较低)烯基、羧基(较低)烷基、受保护的羧基(较低)烷基或含有一个硫原子的饱和的4至8元杂单环基团,Z是N或CH,R.sup.2是氰基、苯基、吡啶基、较低的烷基吡啶基或三(较低)烷基硅基,R.sup.3是羧基或受保护的羧基,A是--CH.dbd.CH--或--C.tbd.C--,以及其药用可接受的盐。