The present invention relates to RS 1-4-[2-(allyloxy)-ethyl]phenoxy}-3-isopropylamino propan-2-ol of the formula (1), process for preparation thereof by selective allylation of p-hydroxy phenyl ethanol and use thereof in a preparation of RS betaxolol of formula (2)
本发明涉及公式(1)的RS 1-4-[2-(烯丙氧基)-乙基]苯氧基}-3-异丙
氨基
丙醇,其制备方法是通过对p-羟基
苯乙醇进行选择性烯丙基化反应,并将其用于制备公式(2)的RS贝他索洛尔。