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.
化合物的一般公式为:##STR1## 其中,.alpha. .beta. 表示饱和键或双键;每个R独立地是甲基基团或甲氧基基团,或者两个R一起表示一个--CH.dbd.CH--CH.dbd.CH--基团;n为0或1到9的整数;当.alpha. .beta.为饱和键时,R.sub.2为氢原子或羟基团,当.alpha. .beta.为双键时,R.sub.2为氢原子;当.alpha. .beta.为双键或R.sub.2为羟基团时,R.sub.1为羧基团,一个CH.sub.2.sub.2m OH基团(其中m为1到3的整数),或一个##STR2## 基团(其中m为1到3的整数);当.alpha. .beta.为饱和键且R.sup.2为氢原子时,R.sub.1为羟甲基基团或一个##STR3## 基团(其中m为1到3的整数)。该化合物具有药理作用,如膜稳定作用(如溶酶体膜稳定作用),线粒体电子传递活性,降压活性,抑制心肌肥大活性,气管平滑肌松弛活性,改善脑循环活性和预防脑缺血活性,并且在预防和治疗高血压、心力衰竭、哮喘、脑卒中等疾病方面具有价值,作为心力衰竭的治疗药物,支气管扩张剂,改善脑循环剂或类似物。