69212-64-2Relevant articles and documents
N-((phenyl, benzodioxinyl or N-heteroarylpiperazinyl)alkyl)-N-(N-heteroaryl)substituted carboxamides
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, (2008/06/13)
Piperazine derivatives of formula I and their pharmaceutically acceptable acid addition salts are 5-HT1A binding agents, particularly 5-HT1A 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.