N-alkyl-spiro-isoquinoline-pyrrolidine tetrones and analogs thereof useful as aldose reductase inhibitors
申请人:AMERICAN HOME PRODUCTS CORPORATION
公开号:EP0458549A1
公开(公告)日:1991-11-27
This invention relates to N′-alkyl-spiro-isoquinoline-pyrrolidine tetrones of formula
wherein R¹ and R² are independently hydrogen, alkyl containing to 1 to 6 carbon atoms, halogen, lower alkoxy containing 1 to 6 carbon atoms, trifluoromethyl, nitro, aryl or aryl(lower alkyl)oxy wherein aryl contains 6 - 10 carbon atoms and lower alkyl contains 1 to 6 carbon atoms; R³ is hydrogen, lower alkyl containing 1 to 6 carbon atoms, aryl, aryl(lower alkyl) or halogen substituted aryl(lower alkyl) wherein aryl contains 6 to 10 carbon atoms and lower alkyl contains 1 to 6 carbon atoms, or benzothiazole of structural formula
wherein R⁵ is hydrogen, halogen, alkyl containing 1 to 6 carbon atoms, lower alkoxy containing 1 to 6 carbon atoms, trifluoromethyl, nitro, aryl or aryl(lower alkyl)oxy wherein aryl contains 6 to 10 carbon atoms and lower alkyl contains 1 to 5 carbon atoms; and R⁴ is alkyl containing 1 to 12 carbon atoms, aryl, aryl(loweralkyl) wherein aryl contains 6 to 10 carbon atoms and lower alkyl contains 1 to 6 carbon atoms, acyl, carboalkoxy, -(CH₂)nCO₂H or -(CH₂)nOH, wherein n is 1 to 6. The compounds have pharmaceutical properties which render them beneficial for the prevention of treatment of diabetes mellitus associated complications.
本发明涉及 N′-烷基-螺-异喹啉-吡咯烷四元化合物,其式为
其中R¹和R²独立地为氢、含1-6个碳原子的烷基、卤素、含1-6个碳原子的低级烷氧基、三氟甲基、硝基、芳基或芳基(低级烷基)氧基,其中芳基含6-10个碳原子,低级烷基含1-6个碳原子;R³ 是氢、含 1 至 6 个碳原子的低级烷基、芳基、芳基(低级烷基)或卤素取代的芳基(低级烷基)(其中芳基含 6 至 10 个碳原子,低级烷基含 1 至 6 个碳原子),或结构式为苯并噻唑
其中 R⁵ 是氢、卤素、含 1 至 6 个碳原子的烷基、含 1 至 6 个碳原子的低级烷氧基、三氟甲基、硝基、芳基或芳基(低级烷基)氧基,其中芳基含 6 至 10 个碳原子,低级烷基含 1 至 5 个碳原子;R⁴是含 1 至 12 个碳原子的烷基、芳基、芳基(低级烷基)(其中芳基含 6 至 10 个碳原子,低级烷基含 1 至 6 个碳原子)、酰基、羧基、-(CH₂)nCO₂H 或-(CH₂)nOH,其中 n 为 1 至 6。这些化合物具有药物特性,有利于预防和治疗糖尿病相关并发症。