The invention provides 4(1H)quinolone derivatives of the formula I:
wherein R represents an alkyl group containing up to 6 carbon atoms,
R¹ represents an alkyl or alkenyl group containing up to 6 carbon atoms,
R² and R³ singly each represents hydrogen, halogen, methoxy or a trifluoromethyl group, with the proviso that at least one of R² and R³ is hydrogen, and pharmaceutically acceptable salts thereof and processes for their production. The compounds are useful for the treatment of cardiovascular and respiratory disorders.
本发明提供公式I的4(1H)
喹啉衍
生物:其中R代表含有最多6个碳原子的烷基,R¹代表含有最多6个碳原子的烷基或烯基,R²和R³各自单独代表氢、卤素、甲氧基或三
氟甲基基团,但至少其中一个为氢,并且其药学上可接受的盐以及其生产过程。该化合物可用于治疗心血管和呼吸系统疾病。