申请人:Chemie Linz Gesellschaft m.b.H.
公开号:US05045549A1
公开(公告)日:1991-09-03
New 4-Pyridone derivatives of General Formula are claimed ##STR1## in which R.sub.1 is methylamino,4-fluorophenyl, 2,4-difluorophenyl, R.sub.2 is hydrogen or a sulfur atom that is joined to the ring nitrogen by an ethylene bride, X is a hydrogen or a physiologically removable ester group and Y is a base of the general formula ##STR2## In formula IIa and IIb, R.sub.3 is hydrogen, lower alkyl, benzyl, formyl, acetonyl or a moiety of the formula ##STR3## Also claimed are the addition salts of compounds of formula I with pharmaceutically acceptable inorganic or organic acids or base and/or their hydrates. Also claimed are the methods of manufacture of compounds of formula I and their use as antibacterial agents.
通用公式的新4-吡啶酮衍生物如下所述##STR1##其中R.sub.1为甲基氨基,4-氟苯基,2,4-二氟苯基,R.sub.2为氢或通过乙烯桥与环氮原子连接的硫原子,X为氢或生理可移除的酯基,Y为通用公式的碱##STR2##在公式IIa和IIb中,R.sub.3为氢,低碳烷基,苄基,甲酰基,丙酮基或公式##STR3##的基团。还声明了公式I化合物与药用可接受的无机或有机酸或碱的加合盐和/或其水合物。还声明了公式I化合物的制备方法及其用作抗菌剂的用途。