Disclosed are compounds of the formula: ##STR1## or the pharmaceutically acceptable acid addition salts thereof, wherein: Ar represents aryl or heteroaryl; R.sub.1 and R.sub.2 are the same or different and represent organic or inorganic substituents; R.sub.5 is hydrogen or C.sub.1 -C.sub.6 alkyl; W represents CH or nitrogen; X is oxygen or sulfur; and A represents an alkylene group, which compounds bind selectively with high affinity to the dopamine D.sub.4 receptor subtype and are therefore of use in treatment of various neuropsychological disorders.
揭示了以下式的化合物:##STR1##或其药学上可接受的酸盐,其中:Ar代表芳基或杂环芳基;R.sub.1和R.sub.2相同或不同,代表有机或无机取代基;R.sub.5是氢或C.sub.1-C.sub.6烷基;W代表CH或氮;X是氧或
硫;A代表烷基基团,这些化合物具有高亲和力地选择性结合
多巴胺D.sub.4受体亚型,因此可用于治疗各种神经心理障碍。