N-Phenyl-N'-phenylpropylpiperazine derivatives represented by general formula (1) (wherein R1 is lower alkyl; R2 is lower alkoxy; and R3 is cyano, carboxyl or indolecarbonyl); drugs containing the same; and a process for the preparation thereof. The compounds exhibit potent α1-adrenergic receptor blocking activity and are useful in the prevention and treatment of hypertension, congestive heart failure, myocardial ischemia, arrhythmia, angina pectoris, urinary disturbance and frequent urination due to prostatic hypertrophy, and so on.
通式(1)代表的N-苯基-N'-
苯基丙基哌嗪衍
生物(其中R1为低级烷基;R2为低级烷氧基;R3为
氰基、羧基或
吲哚羰基);含有这些衍
生物的药物;及其制备方法。这些化合物具有强效的α1-
肾上腺素能受体阻断活性,可用于预防和治疗高血压、充血性心力衰竭、心肌缺血、心律失常、心绞痛、前列腺肥大引起的排尿障碍和尿频等。