申请人:Zeria Pharmaceutical Co., Ltd.
公开号:US06395739B1
公开(公告)日:2002-05-28
The present invention is directed to an N-phenyl-N′-phenylpropylpiperazine derivative represented by formula (1):
(wherein R1 represents a lower alkyl group; R2 represents a lower alkoxy group; and R3 represents a cyano group, a carboxyl group, or an indolecarbonyl group); a medicament; and to a process for producing the derivative. The compound of the present invention is endowed with potent &agr;1-adrenoceptor blocking activity, and thus is useful for the prevention or treatment of hypertension, congestive heart failure, myocardinal ischemia, arrhythmia, angina pectoris, and urinary obstruction and pollakiuria caused by benign prostatic hyperplasia.
本发明涉及一种由式(1)表示的N-苯基-N'-苯基丙基哌嗪衍生物:(其中R1代表较低的烷基;R2代表较低的烷氧基;R3代表氰基,羧基或吲哚羰基);药物;以及一种制造该衍生物的方法。本发明化合物具有强大的α1肾上腺素能受体阻滞活性,因此可用于预防或治疗高血压,充血性心力衰竭,心肌缺血,心律失常,心绞痛以及良性前列腺增生引起的尿潴留和尿频。