Benzimidazole compounds and their use as modulators of the GABA a receptor complex

摘要

PCT No. PCT/EP96/01606 Sec. 371 Date Feb. 5, 1998 Sec. 102(e) Date Feb. 5, 1998 PCT Filed Apr. 17, 1996 PCT Pub. No. WO96/33194 PCT Pub. Date Oct. 24, 1996The 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.