申请人:Provesan, SA
公开号:US04552882A1
公开(公告)日:1985-11-12
The present invention relates to new derivatives of 7-(1-pyrrolyl)-1-ethyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid and 7-(1-pyrrolyl)-1-ethyl-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid of general formula I: ##STR1## in which: X represents a carbon atom or a nitrogen atom, and R represents a hydrogen atom or a fluorine atom, as well as their physiologicaly acceptable alkali metal salts or alkaline earth metal salts. The derivatives of the present invention are advantageously used as antimicrobial agents, espcially as anti-bacterial and anti-fungal agents.
本发明涉及一种新的7-(1-吡咯基)-1-乙基-1,4-二氢-4-氧基喹啉-3-羧酸和7-(1-吡咯基)-1-乙基-1,4-二氢-4-氧基-1,8-萘啉-3-羧酸的衍生物,其一般式为I: ##STR1## 其中:X表示碳原子或氮原子,R表示氢原子或氟原子,以及它们的生理上可接受的碱金属盐或碱土金属盐。本发明的衍生物可优选用作抗微生物剂,特别是用作抗细菌和抗真菌剂。