申请人:ICI-PHARMA
公开号:US05013730A1
公开(公告)日:1991-05-07
Cephalosporins having a 3-position substituent of the formula: ##STR1## are described, wherein R.sup.5 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, --NHSO.sub.2 CH.sub.3 or --NHCONH.sub.2 ; 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.
描述了具有公式:##STR1##的3位取代基的头孢菌素,其中R.sup.5为氢,烯烃基,烷基或取代烷基,Q为各种取代的单环或双环杂环环,Y为各种取代的烷基,Y'代表各种连接基团,m和n独立地为零或一,P为具有两个邻位基团的苯环,其中一个是羟基或体内可水解的酯基,另一个是羟基,体内可水解的酯基,羧基,磺酸基,羟甲基,--NHSO.sub.2 CH.sub.3或--NHCONH.sub.2;或P是特别取代的吡啶酮或吡喃酮。描述了将这些化合物用作抗菌剂的用途,以及它们的制备方法。