Cephem compounds and processes for preparation thereof
    51.
    发明授权
    Cephem compounds and processes for preparation thereof 失效
    头孢烯化合物及其制备方法

    公开(公告)号:US4698337A

    公开(公告)日:1987-10-06

    申请号:US912212

    申请日:1986-09-25

    CPC分类号: C07D277/587

    摘要: The invention relates to novel cephem compounds, of high antimicrobial activity, of the formula ##STR1## wherein R.sup.1 is amino or protected amino,R.sup.2 is lower alkyl substituted with 1 to 3 halogen atoms,R.sup.3 is thiadiazolylthiomethyl which may be substituted with lower alkyl, or tetrazolylthiomethyl which may be substituted with lower alkyl or lower alkenyl, andR.sup.4 is carboxy or protected carboxy, and a pharmaceutically acceptable salt thereof.

    摘要翻译: 本发明涉及具有高抗微生物活性的新颖的头孢烯化合物,其具有下式:其中R 1为氨基或被保护的氨基,R 2为被1至3个卤素原子取代的低级烷基,R 3为可被低级烷基取代的噻二唑基硫甲基, 或可以被低级烷基或低级链烯基取代的四唑基硫甲基,R4是羧基或被保护的羧基,及其药学上可接受的盐。