申请人:Takeda Chemical Industries, Ltd.
公开号:US04818441A1
公开(公告)日:1989-04-04
A compound of the general formul: ##STR1## wherein .alpha. .beta. means a saturated bond or a double bond; each R independently of one another is a methyl group or a methoxy group, or two R's taken together represent a group of --CH.dbd.CH--CH.dbd.CH--; n is zero or an integer of 1 through 9; when .alpha. .beta. is a saturated bond, R.sub.2 is a hydrogen atom or hydroxyl group, and when .alpha. .beta. is a double bond, R.sub.2 is a hydrogen atom; when .alpha. .beta. is a double bond or when R.sub.2 is a hydroxyl group, R.sub.1 is a carboxyl group, a group of CH.sub.2.sub.2m OH (wherein m is an integer of 1 through 3) or a group of ##STR2## (wherein m is an integer of 1 through 3); when .alpha. .beta. is a saturated bond and R.sup.2 is a hydrogen atom, R.sub.1 is a hydroxymethyl group or a group of ##STR3## (wherein m is an integer of 1 through 3) has pharmacological actions such as membrane stabilizing activity (e.g. lysosomal membrane stabilizing activity), mitochondrial electron transport activity, hypotensive activity, activity to inhibit cardiac hypertrophy, tracheal muscle relaxant activity, cerebral circulation improving activity and cerebral ischemia preventive activity and is of value in the prophylaxis and treatment of hypertension, cardiac failure, asthma, cerebral apoplexy and other diseases, as a cardiac failure remedy, bronchodilator, cerebral circulation improving agent or the like.
通用式为:##STR1## 其中 .alpha. .beta. 表示饱和键或双键;每个R独立地是一个甲基基团或一个甲氧基基团,或者两个R一起代表一个--CH.dbd.CH--CH.dbd.CH--基团;n为零或1至9的整数;当 .alpha. .beta. 是饱和键时,R.sub.2 是一个氢原子或羟基,当 .alpha. .beta. 是双键时,R.sub.2 是一个氢原子;当 .alpha. .beta. 是双键或当 R.sub.2 是羟基时,R.sub.1 是一个羧基、一个CH.sub.2.sub.2m OH基团(其中m为1至3的整数)或一个##STR2## 基团(其中m为1至3的整数);当 .alpha. .beta. 是饱和键且R.sup.2 是一个氢原子时,R.sub.1 是一个羟甲基基团或一个##STR3## 基团(其中m为1至3的整数)具有药理作用,如膜稳定作用(例如溶酶体膜稳定作用)、线粒体电子传递作用、降压作用、抑制心肌肥大作用、气管平滑肌松弛作用、改善脑循环活性和预防脑缺血活性,并且在高血压、心力衰竭、哮喘、脑卒中等疾病的预防和治疗中具有价值,可用作心力衰竭疗法、支气管扩张剂、改善脑循环剂等。