申请人:SMITHKLINE BECKMAN CORPORATION
公开号:EP0174811A2
公开(公告)日:1986-03-19
Compounds of formula (I):
O-C2-8-alkanoyl derivatives thereof and pharmaceutically acceptable salts are described in which X is -S- or -0-, R1 and R2 are, each, hydrogen, C1-6-alkyl, allyl, benzyl, phenethyl, methoxyphenethyl or hydroxyphenethyl; and R3 and R4 are, each, hydroxy, hydrogen, halo, C1-3-alkyl or C1-3alkoxy. The compounds are dopamine agonists and have antihypertensive activity. Pharmaceutical compositions and methods of use are described, as are processes for their preparation.
式(I)化合物:
其中 X 为-S-或-0-,R1 和 R2 分别为氢、C1-6-烷基、烯丙基、苄基、苯乙基、甲氧基苯乙基或羟基苯乙基;R3 和 R4 分别为羟基、氢、卤代、C1-3-烷基或 C1-3 烷氧基。这些化合物是多巴胺激动剂,具有抗高血压活性。本文描述了药物组合物和使用方法,以及其制备工艺。