申请人:Knoll Aktiengesellschaft
公开号:US05753665A1
公开(公告)日:1998-05-19
Compounds of formula (I) which includes pharmaceutically acceptable salts thereof and stereoisomers thereof: ##STR1## wherein: R.sub.1 represents H or one of the following groups (optionally substituted with one or more of halo, cyano, hydroxy or amino): C.sub.1-6 alkyl, C.sub.1-6 alkoxy or C.sub.1-6 alkanoyl; R.sub.2 and R.sub.3 independently represent H or one of the following groups (optionally substituted with one or more of halo, cyano, hydroxy or amino): C.sub.1-6 alkyl, C.sub.1-6 alkoxy or C.sub.1-6 alkanoyl, C.sub.1-6 alkylthio, C.sub.1-6 alkylsulphinyl or C.sub.1-6 alkylsulphonyl; R.sub.4 and R.sub.5 combined together with the carbon atom to which they are attached represent C.sub.3-6 cycloalkylidene (each alkyl or cycloalkylidene being optionally substituted with one or more of halo, cyano, hydroxy, amino or C.sub.1-6 alkyl); and R.sub.6, R.sub.7 and R.sub.8 independently represent H, halo, hydroxy, mercapto, cyano or one of the following groups (optionally substituted with one or more of halo, cyano, hydroxy or amino; and any nitrogen atom being optionally substituted with one or more C.sub.1-6 alkyl): C.sub.1-6 alkyl, C.sub.1-6 alkoxy or C.sub.1-6 alkanoyl, C.sub.1-6 alkylthio, C.sub.1-6 alkylsulphinyl, etc; have utility in the treatment and/or prophylaxis or seizures, neurological disorders such as epilepsy and/or conditions in which there is neurological damage such as stroke, brain trauma, head injuries and haemorrhage.
公式(I)的化合物,包括其药学上可接受的盐和立体异构体:##STR1##其中:R.sub.1代表H或以下任一基团之一(可选地用一个或多个卤素,氰基,羟基或氨基取代):C.sub.1-6烷基,C.sub.1-6烷氧基或C.sub.1-6酰基;R.sub.2和R.sub.3独立地代表H或以下任一基团之一(可选地用一个或多个卤素,氰基,羟基或氨基取代):C.sub.1-6烷基,C.sub.1-6烷氧基或C.sub.1-6酰基,C.sub.1-6烷基硫醚,C.sub.1-6烷基亚磺酰基或C.sub.1-6烷基磺酰基;R.sub.4和R.sub.5与它们附着的碳原子结合在一起,代表C.sub.3-6环烷亚基(每个烷基或环烷亚基可选地用一个或多个卤素,氰基,羟基,氨基或C.sub.1-6烷基取代);R.sub.6,R.sub.7和R.sub.8独立地代表H,卤素,羟基,巯基,氰基或以下任一基团之一(可选地用一个或多个卤素,氰基,羟基或氨基取代;任何氮原子可选地用一个或多个C.sub.1-6烷基取代):C.sub.1-6烷基,C.sub.1-6烷氧基或C.sub.1-6酰基,C.sub.1-6烷基硫醚,C.sub.1-6烷基亚磺酰基等。具有在治疗和/或预防癫痫,神经系统疾病例如癫痫和/或存在神经损伤的情况,如中风,脑外伤,头部损伤和出血中的用途。