申请人:Kissei Pharmaceutical Co., Ltd.
公开号:US06133266A1
公开(公告)日:2000-10-17
The present invention relates to 3,4-disubstituted phenylethanolaminotetralincarboxamide derivatives represented by the general formula: ##STR1## (wherein A represents a lower alkylene group; B represents an amino group, a di(lower alkyl)amino group or a 3 to 7-membered alicyclic amino group which may contain an oxygen atom in the ring; 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 stone removal in urolithiasis.
本发明涉及3,4-二取代苯乙醇胺四环甲酰胺衍生物,其通式表示为:##STR1##(其中A代表较低的烷基烃基;B代表氨基、二(较低烷基)氨基或3至7成员脂环氨基,该脂环氨基可能在环中含有一个氧原子;n为1或2的整数;用*标记的碳原子表示具有R构型、S构型或二者的混合的碳原子;用(S)标记的碳原子表示S构型的碳原子)及其药学上可接受的盐,具有选择性β2-肾上腺素能受体刺激作用,减轻对心脏的负担,如心动过速,并可用作预防威胁性流产和早产的药剂、支气管扩张剂以及用于尿路结石的疼痛缓解和结石去除的药剂。