申请人:Merck Sharpe & Dohme Ltd.
公开号:US06071909A1
公开(公告)日:2000-06-06
The present patent application discloses compounds having formula (I) ##STR1## or a pharmaceutically acceptable salt thereof or an oxide thereof, wherein R.sup.3 is (II), ##STR2## wherein A, B and D each is CH, or one or two of A, B and D is N and the others are CH; R.sub.11 is phenyl, benzimidazolyl, or monocyclic heteroaryl all of which may be substituted one or more times with substituents selected from alkyl, alkoxy, phenyl, halogen, CF.sub.3, amino, nitro, cyano, acyl, acylamino, phenyl and monocyclic heteroaryl; and one of R.sup.6 and R.sup.7 is hydrogen and the other is furanyl or isoxazolyl each of which may be substituted one or more times with substituents selected from halogen, alkyl, alkoxy and phenyl. The compounds are useful for the treatment of various central nervous system disorders such as epilepsy and other convulsive disorders, anxiety, sleep disorders and memory disorders.
本专利申请公开了具有以下结构式(I)的化合物##STR1##或其药用可接受的盐或氧化物,其中R.sup.3为(II)##STR2##其中A、B和D每个都是CH,或者A、B和D中的一个或两个是N,其他的是CH;R.sub.11是苯基、苯并咪唑基或单环杂环芳基,均可被选自烷基、烷氧基、苯基、卤素、CF.sub.3、氨基、硝基、氰基、酰基、酰氨基、苯基和单环杂环芳基的取代基取代一次或多次;R.sup.6和R.sup.7中的一个是氢,另一个是呋喃基或异噁唑基,均可被选自卤素、烷基、烷氧基和苯基的取代基取代一次或多次。这些化合物可用于治疗各种中枢神经系统疾病,如癫痫和其他惊厥性障碍、焦虑、睡眠障碍和记忆障碍。