申请人:Tanabe Seiyaku Co., Ltd.
公开号:US04576938A1
公开(公告)日:1986-03-18
A cephalosporin compound of the formula: ##STR1## wherein R.sup.1 is a hydrogen atom, a lower alkyl group, a carboxy(lower)alkyl group, a hydroxy(lower)alkyl group, a carbamoyl(lower)alkyl group, an N-(lower)alkyl-carbamoyl(lower)alkyl group, a cycloalkyl group, a carboxycycloalkyl group, or a tetrazolylmethyl group, R.sup.2 is a hydrogen atom, a lower alkyl group, a formyl group or a lower alkanol group, R.sup.3 is a hydrogen atom, or R.sup.2 and R.sup.3 are combined together to form an aralkylidene group, or a pharmaceutically acceptable salt thereof which is useful as an antimicrobial agent, and process for their preparation.
一种头孢菌素化合物,化学式如下:##STR1##其中R.sup.1是氢原子、低碳烷基基团、羧基(低)烷基基团、羟基(低)烷基基团、氨基甲酰(低)烷基基团、N-(低)烷基-氨基甲酰(低)烷基基团、环烷基基团、羧基环烷基基团或四唑甲基基团,R.sup.2是氢原子、低碳烷基基团、甲酰基或低烷醇基团,R.sup.3是氢原子,或R.sup.2和R.sup.3结合在一起形成芳基亚烷基基团,或其药学上可接受的盐,可用作抗微生物剂,以及其制备方法。