Novel aminoethylphenoxyacetic acid derivatives represented by the general formula:
(wherein R1 represents a hydrogen atom, a lower alkyl group or an aralkyl group; R2 represents a hydrogen atom or a halogen atom; the carbon atom marked with (R) represents a carbon atom in (R) configuration; and the carbon atom marked with (S) represents a carbon atom in (S) configuration) and pharmaceutically acceptable salts thereof, which have stimulating effects on both β2- and β3-adrenoceptors and are useful as agents for relieving pain and promoting the removal of calculi in urolithiasis.
由通式代表的新型
氨基乙基
苯氧乙酸衍
生物:
(其中,R1 代表氢原子、低级烷基或芳烷基;R2 代表氢原子或卤素原子;标有 (R) 的碳原子代表 (R) 构型的碳原子;标有 (S) 的碳原子代表 (S) 构型的碳原子)及其药学上可接受的盐,它们对 β2-和 β3-
肾上腺素受体均有刺激作用,可用作缓解疼痛和促进清除尿路结石的药物。