申请人:Chen Mao
公开号:US20110028444A1
公开(公告)日:2011-02-03
The invention discloses the pharmaceutically acceptable salts of an optically active quinolone compound useful against infection, specifically the pharmaceutically acceptable salts of (S)-6-fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-1H,4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid. The pharmaceutically acceptable salts of the present invention are stable and have improved water solubility. They possess higher biological activity, less toxicity for kidney and no irritation to skin and muscle.
本发明公开了一种用于治疗感染的光学活性喹诺酮化合物的药用可接受盐,具体是(S)-6-氟-1-甲基-4-氧代-7-(1-哌嗪基)-1H,4H-[1,3]噻唑并[3,2-a]喹啉-3-羧酸的药用可接受盐。本发明的药用可接受盐稳定,水溶性改善。它们具有更高的生物活性,对肾脏毒性更小,不刺激皮肤和肌肉。