6-Halo-7,8-dihydroxy-1-phenyl-2,3,4,5-tetrahydro-1H-3-benzazepines whose structures have a hydroxy group substituted on the 1-phenyl ring have potent and specific antihypertensive activity by means of their peripheral dopaminergic effect. The lead compound of the series is 6-chloro-7,8-dihydroxy-(p-hydroxyphenyl)-2,3,4,5-tetrahydro-1H-3-benzazepi ne methane sulfonate.
6-卤代-7,8-二羟基-1-苯基-2,3,4,5-四氢-1H-3-苯并氮啉的结构中,1-苯基环上有一个羟基取代的化合物具有强大而特异的降压活性,其作用机制为其外周
多巴胺能作用。该系列的先导化合物是6-
氯代-7,8-二羟基-(对羟基苯基)-2,3,4,5-四氢-1H-3-苯并氮啉
甲磺酸盐。