| abstract |
Disclosed are compounds of formula (I) or the pharmaceutically acceptable salts thereof wherein: R1, R2, and R4 independently represent hydrogen, halogen, alkyl, cyano, alkoxycarbonyl, trifluoromethoxy, SO2NH2 or trifluoromethyl; R3 represents hydrogen, halogen, alkyl, alkoxy, alkylthio, hydroxy, amino, mono- or di(C1-C6)alkylamino, cyano, alkoxycarbonyl, trifluoromethoxy, SO2NH2 or trifluoromethyl; or R3 represents optionally substituted phenyl; X represents (CH2)n where n is an integer; and m is 0 or an integrer, which compounds are useful for the treatment and/or prevention of neuropsychological disorders including, but not limited to, schizophrenia, mania, dementia, depression, anxiety, compulsive behavior, substance abuse, Parkinson-like motor disorders and motion disorders related to the use of neuroleptic agents. |