A group of 6,9-disubstituted-7,8-dihydroxy-1-phenyl-2,3,4,5-tetrahydro-1H-3-benzazepine have dopaminergic activity. Examples of compounds of the invention are 9-chloro-7,8-dihydroxy-1-(p-hydroxyphenyl)-6-methyl-2,3,4,5-tetrahydro-1H-3-benzazepine and 6,9-dichioro-7,8-dihydroxy-1-(p-hydroxyphenyl)-2,3,4,5-tetrahydro-1H-3- benzazepine, preferably in the form of an acid addition salt thereof, have antihypertensive activity.
一组 6,9-二取代-7,8-二羟基-
1-苯基-2,3,4,5-四氢-1H-3-苯并氮杂卓具有
多巴胺能活性。 本发明化合物的例子有 9-
氯-7,8-二羟基-1-(对羟基苯基)-6-甲基-2,3,4,5-四氢-1H-3-苯并氮杂卓和 6,9-二
硫代-7,8-二羟基-1-(对羟基苯基)-2,3,4,5-四氢-1H-3-苯并氮杂卓,最好是其酸加成盐的形式,具有抗高血压活性。