Compounds of general formula I:
wherein:
X represents oxygen or sulphur;
R¹ represents loweralkyl;
R² represents hydrogen, halo, 4,5-benzo, loweralkoxy, amino, methylamino or dimethylamino;
R³ represents hydrogen or loweralkyl;
and
n is 1 or 2
and their pharmaceutically acceptable acid addition salts have anxiolytic activity. In particular, they have activity against anxiety induced by the withdrawal from ingested substances such as narcotics (eg cocaine), alcohol and nicotine.
通式 I 的化合物:其中:X 代表氧或
硫;R¹ 代表低级烷基;R² 代表氢、卤素、4,5-苯并、低级烷氧基、
氨基、甲
氨基或
二甲氨基;R³ 代表氢或低级烷基;n 为 1 或 2 及其药学上可接受的酸加成盐具有抗焦虑活性。 特别是,它们具有抗焦虑的活性,这种焦虑是由戒断摄入物质(如
麻醉剂(如
可卡因)、
酒精和
尼古丁)引起的。