Cephalosporins, process for their preparation, intermediates and pharmaceutical compositions
申请人:ZENECA LIMITED
公开号:EP0341910A2
公开(公告)日:1989-11-15
Cephalosporin antibiotics having a 3-position substituent of the formula:
are described; wherein R¹ is hydrogen or certain substituted alkyl groups, Z is CH or N, R² and R³ are hydroxy or in vivo hydrolysable esters thereof, (R¹²)n represents various optional substituents and X = Y is an olefin, oxime, azo or related group. Processes for their preparation and use are described.
描述了具有式中3位取代基的头孢菌素类抗生素:
其中 R¹ 是氢或某些取代的烷基,Z 是 CH 或 N,R² 和 R³ 是羟基或其体内可水解的酯,(R¹²)n 代表各种任选取代基,X=Y 是烯烃、肟、偶氮或相关基团。本文介绍了其制备和使用方法。