申请人:Daiichi Pharmaceutical Co., Ltd.
公开号:US05418232A1
公开(公告)日:1995-05-23
A compound of formula (I) possesses excellent potassium channel opening activity and is effective on various diseases arising from contractions of blood vessels, bronchial smooth muscles, etc., for example, ischemic heart diseases exemplified by angina pectoris, asthma, pollakisuria, sequela of subarachnoid hemorrhage, peripheral arterioinfarct, and so on. The compound has potent and long-lasting antihypertensive activity, with the onset of the action being slow, excellent activity in increasing renal blood flow, and high safety, and is therefore particularly useful as an antihypertensive. ##STR1## The substituents are as defined in the specification.
式(I)的化合物具有出色的钾通道开放活性,并且对于各种源自血管收缩、支气管平滑肌等引起的疾病具有有效性,例如,心绞痛等缺血性心脏病、哮喘、尿频、蛛网膜下出血后遗症、周围动脉梗塞等。该化合物具有强效且持久的降压活性,作用开始缓慢,在增加肾血流方面表现出色,具有高安全性,因此特别适用作为降压药物。##STR1## 取代基如规范中所定义。