Intermediates for cephalosporin compounds
    2.
    发明授权
    Intermediates for cephalosporin compounds 失效
    头孢菌素化合物的中间体

    公开(公告)号:US5126444A

    公开(公告)日:1992-06-30

    申请号:US733152

    申请日:1991-07-19

    CPC classification number: C07D501/46 C07C281/14

    Abstract: Cephalosporin antibiotics having a 3-position substituent of the formula: ##STR1## are described; wherein R.sup.1 is hydrogen or certain substituted alkyl groups, Z is CH or N, R.sup.2 and R.sup.3 are hydroxy or in vivo hydrolysable esters thereof, (R.sup.12).sub.n represents various optional substituents and X=Y is an olefin, oxime, azo or related group. Processes for their preparation and use are described.

    Abstract translation: 描述具有下式的3位取代基的头孢菌素抗生素:; 其中R 1是氢或某些取代的烷基,Z是CH或N,R 2和R 3是羟基或其体内可水解的酯,(R 12)n表示各种任选的取代基,X = Y是烯烃,肟,偶氮或相关基团 。 描述了其制备和使用的方法。

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