PIPERAZINE-SUBSTITUTED BENZOTHIOPHENES FOR TREATMENT OF MENTAL DISORDERS

摘要

An object of the present invention is to provide a heterocyclic compound having a wide therapeutic spectrum, not causing adverse effects and having high safety. A heterocyclic compound according to the present invention is represented by a general formula, wherein A represents a lower alkylene group or a lower alkenylene group; Z represents O or S; R<SUP>1</SUP> represents hydrogen or the like; and R<SUP>2</SUP> represents hydrogen or the like.