申请人:Ciba-Geigy Corporation
公开号:US04957931A1
公开(公告)日:1990-09-18
Disclosed are 1,2-benzisoxazole and 1,2-benzisothiazole derivatives represented by formula I ##STR1## wherein X represents oxygen or sulfur; Z represents carbon (CH) so as to complete the imidazol-1-yl ring radical or Z represents nitrogen (N) so as to complete the 1,2,4-triazol-l-yl ring radical; R.sub.1 represents hydrogen, lower alkenyl, lower alkynyl, aryl-lower alkyl or lower alkyl; R.sub.2 represents hydrogen, lower alkenyl, lower alkynyl, aryl-lower alkyl or lower alkyl; or R.sub.1 and R.sub.2 combined represent lower alkylene; or R.sub.1 combined with R.sub.5 located on the Z-carbon atom of the imidazolyl radical represents C.sub.2 -C.sub.4 -alkylene; R.sub.3 and R.sub.4 independently represent hydrogen, lower alkyl, cycloalkyl, halogen, trifluoromethyl, cyano, nitro, amino, hydroxy, lower alkanoyloxy, carbocyclic aroyloxy, lower alkoxy, or carbocyclic aryl; or R.sub.3 and R.sub.4, together when located on adjacent carbon atoms, represent lower alkylenedioxy; or R.sub.3 and R.sub.4, together when located on the carbon atoms to which attached a benzo-fused or C.sub.5 -C.sub.7 -cycloalka-fused ring, respectively; R.sub.5 located on carbon represents hydrogen, lower alkyl or hydroxy-lower alkyl; R.sub.6 located on carbon represents hydrogen or lower alkyl; or when Z represents carbon, R.sub.5 located on the Z-carbon atom combined with R.sub.6 located on the adjacent carbon atom represents C.sub.3 -C.sub.5 -alkylene; and pharmaceutically acceptable salts thereof; which are active in mammals as anticonvulsant agents.
本发明涉及一种公式I所表示的1,2-
苯并
异噁唑和1,2-
苯并异
硫唑衍
生物,其中X代表
氧或
硫;Z代表
碳(CH),以完成
咪唑-1-基环基,或Z代表
氮(N),以完成
1,2,4-三唑-1-基环基;R.sub.1代表
氢、低
烯基、低炔基、芳基-低烷基或低烷基;R.sub.2代表
氢、低
烯基、低炔基、芳基-低烷基或低烷基;或R.sub.1和R.sub.2组合代表低烷基;或R.sub.1与位于
咪唑基上的Z-
碳原子上的R.sub.5组合代表C.sub.2-C.sub.4-烷基;R.sub.3和R.sub.4独立地代表
氢、低烷基、
环烷基、卤素、三
氟甲基、
氰基、硝基、
氨基、羟基、低烷酰
氧基、
碳环芳基
氧基、低烷
氧基或
碳环芳基;或当R.sub.3和R.sub.4位于相邻的
碳原子上时,它们组合代表低烷基二
氧基;或当R.sub.3和R.sub.4分别位于连接
苯并融合或C.sub.5-C.sub.7-
环烷基融合环的
碳原子上时;位于
碳上的R.sub.5代表
氢、低烷基或羟基-低烷基;位于
碳上的R.sub.6代表
氢或低烷基;或当Z代表
碳时,位于Z-
碳原子上的R.sub.5与位于相邻
碳原子上的R.sub.6组合代表C.sub.3-C.sub.5-烷基;以及其药学上可接受的盐;它们在哺乳动物中作为抗惊厥剂具有活性。