| 摘要 |
Butyrophenone compounds having excellent psychotropic activities represented by the formula: <IMAGE> wherein R1 is a halogen atom, R2 is a lower alkyl group, and Z is a group of either one of the formulae: <IMAGE> (1) (wherein the dotted line indicates the optional presence of an additional single bond linkage, R3 is a hydrogen atom or a hydroxyl group but only when said additional single bond linkage is not present and R4 is a hydrogen atom or a phenyl or benzyl group optionally substituted with one or two substituents selected from the group consisting of halogen, lower alkyl, lower alkoxy and trifluoromethyl on the benzene ring (except monohalophenyl)), <IMAGE> (2) (wherein the dotted line indicates the optional presence of an additional single bond linkage, R5 is a hydrogen atom or a lower alkyl group and R6 and R7 are each a hydrogen atom, a halogen atom or a lower alkyl group), <IMAGE> (3) (wherein R8 is a hydrogen atom or a lower alkyl group and R9 is a hydrogen atom, a halogen atom, a lower alkyl group or a lower alkoxy group), <IMAGE> (4) (wherein R10 is a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group or a trifluoromethyl group), or <IMAGE> (5)
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