Compounds of formula (I): ##STR1## wherein X is methoxy or ethoxy, Y is amino or C.sub.1-6 alkanoylamino, Z is hydrogen, chloro or bromo and R.sub.1 is methyl, chloro or fluoro, have anti-psychotic activity, and are useful in the treatment of CNS disorders. Intermediates for the above compounds are also disclosed.
式(I)的化合物:##STR1## 其中X为甲氧基或乙氧基,Y为
氨基或C.sub.1-6脂肪酰
氨基,Z为氢、
氯或
溴,R.sub.1为甲基、
氯或
氟,具有抗精神病活性,并可用于治疗中枢神经系统疾病。还公开了上述化合物的中间体。