The present invention relates to a novel compound S-(−)-1-4-[2-(allyloxy)-ethyl] phenoxy}-3-isopropylamino propan-2-ol of formula 1 and to a process for the preparation thereof. More particularly the present invention relates to a process for preparing S-(−)-1-4-[2-(allyloxy)-ethyl]phenoxy}-3-isopropylamino propan-2-ol of formula 1 by selective allylation of p-hydroxy phenyl ethanol. The present invention also relates to a process for conversion thereof to S-(−)-betaxolol of formula 2
本发明涉及一种新颖化合物S-(−)-1-4-[2-(烯丙氧基)-乙基]苯氧基}-3-异丙基
氨基
丙醇,其
化学式为1,以及其制备方法。更具体地,本发明涉及通过对
对羟基苯乙醇进行选择性烯丙基化制备S-(−)-1-4-[2-(烯丙氧基)-乙基]苯氧基}-3-异丙基
氨基
丙醇的方法。本发明还涉及将其转化为
化学式为2的S-(−)-贝他索洛尔的方法。