The invention concerns a compound of formula II ##STR1## or a pharmaceutically acceptable acid addition or quaternary ammonium salt thereof wherein R.sup.5 represents hydrogen, hydroxy, lower alkoxy or lower alkyl, R.sup.6 represents hydrogen or lower alkyl, and R.sup.7 represents phenyl, lower alkoxy phenyl, halophenyl, or thenyl and X represents oxygen or sulphur. These indole derivatives exhibit psychotropic activity. The invention includes a method of alleviating depression in a warm blooded animal afflicted with depression which method comprises administering to said animal an effective amount of a compound of formula II or a pharmaceutically acceptable acid addition salt thereof.
本发明涉及II式化合物,其中R.sup.5代表氢,羟基,较低的烷氧基或较低的烷基;R.sup.6代表氢或较低的烷基;R.sup.7代表苯基,较低的烷氧基苯基,卤代苯基或
蒽基;X代表氧或
硫。这些
吲哚衍
生物具有精神活性。本发明包括一种方法,用于缓解患有抑郁症的温血动物的抑郁症状,该方法包括向该动物施用II式化合物或其药学上可接受的酸加成盐的有效量。