Novel quinoline carboxylic acid derivatives having 7-(4-amino-methyl-3-oxime) pyrrolidine substituents and processes for their preparation
申请人:LG Chemical Limited
公开号:EP0688772A1
公开(公告)日:1995-12-27
The present invention relates to a novel quinolone compound having an excellent antibacterial activity. More specifically, the present invention relates to a novel quinoline(naphthyridine)carboxylic acid derivative represented by the following formula (I), which has an 4-aminomethyl-3-oximepyrrolidine substituent on 7-position of the quinolone nucleus and shows a superior antibacterial activity in contrast to the known quinolone antibactrial agents having a weak activity against gram-positive bacterial strains and also has a broad antibacterial spectrum and a highly improved pharmacokinetic property :
wherein R, R₁, R₂, R₃, R₄ and Q are defined as described in the specification.