Cephem compounds
    6.
    发明授权
    Cephem compounds 失效
    头孢烯化合物

    公开(公告)号:US4729991A

    公开(公告)日:1988-03-08

    申请号:US423183

    申请日:1982-09-24

    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 halogen,R.sup.3 is hydrogen or lower alkyl,R.sup.4 is hydrogen, lower alkyl or lower alkoxy,R.sup.5 is hydrogen, halogen, lower alkyl, lower alkoxy, hydroxymethyl or unsaturated heterocyclicthiomethyl in which the heterocyclic moiety may be substituted with lower alkyl or lower alkenyl, andR.sup.6 is carboxy or functionally modified carboxy, and its pharmaceutically acceptable salt thereof.

    摘要翻译: 本发明涉及具有下式的高抗微生物活性的新型头孢烯化合物:其中R1是氨基或被保护的氨基,R2是卤素,R3是氢或低级烷基,R4是氢,低级烷基或低级烷氧基,R5是氢 卤素,低级烷基,低级烷氧基,羟甲基或不饱和杂环硫甲基,其中杂环部分可被低级烷基或低级链烯基取代,R6为羧基或官能改性羧基,及其药学上可接受的盐。