申请人:Ciba-Geigy Corporation
公开号:US04859691A1
公开(公告)日:1989-08-22
Disclosed are 1,2-benzisoxazole and 1,2-benzisothiazole derivatives represented by formula I ##STR1## wherein X represents oxygen or sulfur; Z rep;esents 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-1-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.
本发明涉及一种由式I表示的1,2-苯并噁唑和1,2-苯并噻唑衍生物,其中X代表氧或硫;Z代表碳(CH)以完成咪唑-1-基环或Z代表氮(N)以完成1,2,4-三唑-1-基环;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独立地表示氢、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、环烷基酰氧基、低烷氧基或环烷基;或当位于相邻碳原子上时,R.sub.3和R.sub.4一起表示低烷二氧基;或当位于附加苯并融合或C.sub.5-C.sub.7-环烷融合环的碳原子上时,R.sub.3和R.sub.4一起表示;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活性。