Fused 7-membered cyclic compound and antipsychotic preparation containing the same

A fused cyclic compound having the formula (I) or salts thereof:

• ##STR55## wherein both A and B are carbonyl groups, or one represents a methylene group and the other a carbonyl group, Z represents a sulfur atom, an --NH-- group or an --N(CH.sub.3)-- group, R represents an aromatic group selected from the group consisting of phenyl and napthyl which aromatic group may be substituted with one or more groups selected from the group consisting of halogen, hydroxy, C.sub.1 -C.sub.6 lower alkyl, C.sub.1 -C.sub.5 alkoxy, arylalkoxy, nitro, amino, C.sub.1 -C.sub.5 amide, cyano, and ester groups or a heterocyclic group selected from the group consisting of pyridyl, pyrimidinyl, pyrazinyl, pyridazinyl and imidazoyl groups which heterocyclic group may be substituted with one or more groups selected from the group consisting of halogen, hydroxy, C.sub.1 -C.sub.6 lower alkyl, C.sub.1 -C.sub.5 alkoxy, arylalkoxy, nitro, amino, C.sub.1 -C.sub.5 amide, cyano, and ester groups, X represents a hydrogen atom, a halogen atom, a C.sub.1 -C.sub.5 lower alkyl group, a C.sub.1 -C.sub.5 lower alkoxy group, a C.sub.7 -C.sub.9 arylalkoxy group, a C.sub.1 -C.sub.5 lower acyloxy group, a C.sub.7 -C.sub.10 arylcarbonyloxy group, a hydroxy group, a nitro group or an ester group, and n is an integer of 2 to 10.