申请人:Kissei Pharmaceutical Co., Ltd.
公开号:US06136852A1
公开(公告)日:2000-10-24
The present invention relates to 3,4-disubstituted phenylethanolaminotetralincarboxylic acid derivatives represented by the general formula: ##STR1## [wherein Q represents a vinylene group or a group represented by the general formula: -A-(CH.sub.2).sub.m -- (wherein A represents an oxygen atom or a methylene group; and m is an integer of from 1 to 6); R represents a hydrogen atom or a lower alkyl group; n is an integer of 1 or 2; the carbon atom marked with * represents a carbon atom in R configuration, S configuration or a mixture thereof; and the carbon atom marked with (S) represents a carbon atom in S configuration] and pharmaceutically acceptable salts thereof, which have a selective .beta..sub.2 -adrenergic receptor stimulating effect with relieved burdens on the heart such as tachycardia and are useful as an agent for the prevention of threatened abortion and premature labor, a bronchodilator and an agent for pain remission and promoting stone removal in urolithiasis.
本发明涉及由通式表示的3,4-二取代苯乙醇胺四环羧酸衍生物: ##STR1## [其中Q表示乙烯基或由通式表示的基团:-A-(CH.sub.2).sub.m--(其中A表示氧原子或亚甲基基团; m为1到6的整数); R表示氢原子或低碳基; n为1或2的整数; 标有*的碳原子表示具有R构型、S构型或其混合物的碳原子; 标有(S)的碳原子表示具有S构型的碳原子]及其药学上可接受的盐,它们具有选择性β2-肾上腺素受体刺激作用,减轻心脏负担,如心动过速,并用作预防威胁性流产和早产、支气管扩张剂、止痛剂和促进尿路结石排出的药物。