Cephalosporin compounds, process for their preparation and their pharmaceutical compositions
申请人:ZENECA Pharma S.A.
公开号:EP0304155A2
公开(公告)日:1989-02-22
Cephalosporins having a 3-position substituent of the formula:
are described, wherein R⁵ is hydrogen, alkenyl, alkyl or substituted alkyl, Q is a mono- or bicyclic heterocyclic ring, variously substituted, Y is variously substituted alkylene, Y′ represents various linking groups, m and n are independently zero or one, and P is a benzene ring with two ortho groups, one of which is hydroxy or an in-vivo hydrolysable ester thereof and the other is hydroxy, an in vivo hydrolysable ester thereof, carboxy, sulpho, hydroxymethyl, NHSO₂CH₃ or -NHCONH₂; or P is a particularly substituted pyridone or pyranone. The use of such compounds as antibacterial agents is described, as are processes for their preparation.
描述了具有式 3 位取代基的头孢菌素:
其中 R⁵ 是氢、烯基、烷基或取代的烷基,Q 是各种取代的单环或双环杂环,Y 是各种取代的亚烷基,Y′ 代表各种连接基团,m 和 n 独立地为 0 或 1、P 是具有两个正交基团的苯环,其中一个是羟基或其体内可水解的酯,另一个是羟基、其体内可水解的酯、羧基、亚砜基、羟甲基、NHSO₂CH₃或-NHCONH₂;或 P 是特别取代的吡啶酮或吡喃酮。本文介绍了此类化合物作为抗菌剂的用途及其制备工艺。