申请人:SHIONOGI SEIYAKU KABUSHIKI KAISHA
公开号:EP0347851A1
公开(公告)日:1989-12-27
Described are novel quinolinecarboxylic acids of the general formula
wherein R¹ is C₁-C₄ alkyl, R² and R³ each is identically or differently hydrogen or C₁-C₄ alkyl, R⁴ is cyclopropyl, phenyl, halo-phenyl, or thienyl optionally substituted by C₁-C₄ alkyl or halogen, and R⁵ is halogen,
or pharmaceutically acceptable salts thereof having a more potent and longer lasting antibacterial activities against G(+) and G(-) bacteria than known analogues.
所描述的是通式如下的新型喹啉羧酸
其中 R¹ 是 C₁-C₄ 烷基,R² 和 R³ 各自是相同或不同的氢或 C₁-C₄ 烷基,R⁴ 是环丙基、苯基、卤代苯基或任选被 C₁-C₄ 烷基或卤素取代的噻吩基,R⁵ 是卤素、
或其药学上可接受的盐类,对 G(+)和 G(-)细菌的抗菌活性比已知类似物更强、更持久。