N-substituted imide derivatives with serotonergic activity
申请人:American Home Products Corporation
公开号:US20020013324A1
公开(公告)日:2002-01-31
Compounds of the Formula (I)
1
wherein R
2
, Y, X and n are as defined in the specification which compounds are useful in the treatment of disorders associated with serotonergic neuron-related diseases.
Piperazine derivatives of formula I
and their pharmaceutically acceptable acid addition salts are 5-HTIA binding agents, particularly 5-HTIA antagonists and may be used, for example, as anxiolytics. In the formula A is C2-4 alkylene chain optionally substituted by lower alkyl, Z is oxygen or sulphur, R is hydrogen or lower alkyl, R1 is a mono or bicyclic aryl or heteroaryl radical, R2 is a mono or bicyclic heteroaryl radical and R3 is hydrogen or a specified radical such as lower alkyl, cycloalkyl, aryl, heteroaryl or optionally substituted amino.