申请人:Lucky, Ltd.
公开号:US05541175A1
公开(公告)日:1996-07-30
The present invention relates to a cephalosporin compound represented by the following general formula (I): ##STR1## its pharmaceutically acceptable non-toxic salt, physiologically hydrolyzable ester, hydrate or solvate, or isomers thereof, in which R.sup.1 represents hydrogen or an amino-protecting group, R.sup.2 and R.sup.3 can be identical or different and independently of one another represent hydrogen or a hydroxy-protecting group, or R.sup.2 and R.sup.3 together can form a cyclic diol-protecting group, R.sup.4 represents hydrogen or a carboxyl-protecting group, R.sup.5, R.sup.6 and R.sup.7 independently of one another represent hydrogen, amino or substituted amino, hydroxy, alkoxy, C.sub.1-4 alkyl, carboxyl or alkoxycarbonyl, or R.sup.5 and R.sup.6 together with the carbon atoms to which they are attached can form a C.sub.3-7 cycle, and Q represents CH or N, and to a process for preparation thereof and a pharmaceutical composition containing the compound (I) as an active ingredient.
本发明涉及一种头孢菌素化合物,其通式如下:##STR1## 其药学上可接受的无毒盐、生理可水解酯、水合物或溶剂合物,或其异构体,其中R.sup.1代表氢或氨基保护基,R.sup.2和R.sup.3可以相同也可以不同,并且独立地代表氢或羟基保护基,或R.sup.2和R.sup.3可以一起形成一个环状二醇保护基,R.sup.4代表氢或羧基保护基,R.sup.5、R.sup.6和R.sup.7独立地代表氢、氨基或取代氨基、羟基、烷氧基、C.sub.1-4烷基、羧基或烷氧羰基,或R.sup.5和R.sup.6连同它们连接的碳原子可以形成一个C.sub.3-7环,Q代表CH或N,以及其制备方法和含有该化合物(I)作为活性成分的药物组合物。