Process for the preparation of chiral 3,4-epoxybutyric acid and the salt thereof
申请人:——
公开号:US06232478B1
公开(公告)日:2001-05-15
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.