The present patent application discloses compounds having the formula
or a pharmaceutically acceptable salt thereof or an oxide thereof wherein
R3 is
wherein
A, B and D each is CH, or one or two of A, B and D is N and the others are CH;
R11 is phenyl, benzimidazolyl, or monocyclic heteroaryl all of which may be substituted one or more times with substituents selected from alkyl, alkoxy, phenyl, halogen, CF3, amino, nitro, cyano, acyl, acylamino, phenyl and monocyclic heteroaryl; and
one of R6 and R7 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式子的化合物
或其药学上可接受的盐或其氧化物的化合物,其中
R3 是
其中
A、B和D各自为CH,或A、B和D中的一个或两个为N,其它为CH;
R11 是苯基、
苯并咪唑基或单环杂芳基,它们都可被选自烷基、烷氧基、苯基、卤素、
CF3、
氨基、硝基、
氰基、酰基、酰
氨基、苯基和单环杂芳基的取代基一次或多次取代;以及
R6 和 R7 中的一个是氢,另一个是
呋喃基或
异噁唑基,每个
呋喃基或
异噁唑基可被选自卤素、烷基、烷氧基和苯基的取代基一次或多次取代。
这些化合物可用于治疗各种中枢神经系统疾病,如癫痫和其他抽搐性疾病、焦虑症、睡眠障碍和记忆障碍。