The present invention relates to a process for the preparation of chiral 3,4-epoxybutyric acid expressed by formula (1) and the salt thereof, wherein (S)-3-activated-hydroxybutyrolactone expressed by formula (2) is subjected to a ring-opening reaction to obtain 4-hydroxy-3-activated hydroxybutyric acid expressed by formula (3), which is subjected to an epoxydation with an inversion of the chiral center.
本发明涉及一种制备手性3,4-环氧
丁酸及其盐的方法,其中将式(2)所示的(S)-3-活化羟基丁内酯经环开反应得到式(3)所示的
4-羟基-3-活化羟基
丁酸,然后进行环氧化反应以翻转手性中心。