Cephalosporin antibiotics
    2.
    发明授权
    Cephalosporin antibiotics 失效
    头孢菌素类抗生素

    公开(公告)号:US5541175A

    公开(公告)日:1996-07-30

    申请号:US301619

    申请日:1994-09-07

    CPC分类号: C07D501/00 Y02P20/55

    摘要: 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 whichR.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, orR.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, orR.sup.5 and R.sup.6 together with the carbon atoms to which they are attached can form a C.sub.3-7 cycle, andQ represents CH or N,and to a process for preparation thereof and a pharmaceutical composition containing the compound (I) as an active ingredient.

    摘要翻译: 本发明涉及由以下通式(I)表示的头孢菌素化合物:其药学上可接受的无毒盐,生理上可水解的酯,水合物或溶剂合物或其异构体,其中R 1 表示氢或氨基保护基,R2和R3可以相同或不同,彼此独立地表示氢或羟基保护基,或者R2和R3一起可以形成环状二醇保护基,R4表示氢或 羧基保护基,R 5,R 6和R 7彼此独立地表示氢,氨基或取代的氨基,羟基,烷氧基,C 1-4烷基,羧基或烷氧基羰基,或者R 5和R 6与它们所连接的碳原子一起可以 形成C3-7周期,Q表示CH或N,以及其制备方法和含有化合物(I)作为活性成分的药物组合物。