Process for manufacturing an optically active (S)-3,4-epoxybutyric acid salt
申请人:Samsung Fine Chemicals Co., Ltd.
公开号:US06284902B1
公开(公告)日:2001-09-04
This invention relates to a process for manufacturing an optically active (S)-3,4-epoxybutyric acid salt and more particularly, to a method for manufacturing (S)-3,4-epoxybutyric acid salt expressed by the following formula 1, wherein an optically active (S)-3-hydroxybutyrolactone is employed to undergo an economical ring-opening reaction and epoxvdation so that its chiral center is maintained in an original form,
Wherein, R1 represents alkali metal atom, alkaline earth metal atom, alkylamine group or quarternary amine group.
PROCESS FOR MANUFACTURING AN OPTICALLY ACTIVE (S)-3,4-EPOXYBUTYRIC ACID SALT
申请人:Samsung Fine Chemicals Co., Ltd.
公开号:EP1109797B1
公开(公告)日:2002-03-27
US6284902B1
申请人:——
公开号:US6284902B1
公开(公告)日:2001-09-04
US6586616B1
申请人:——
公开号:US6586616B1
公开(公告)日:2003-07-01
[EN] PROCESS FOR MANUFACTURING AN OPTICALLY ACTIVE (S)-3,4-EPOXYBUTYRIC ACID SALT<br/>[FR] PROCEDE DE FABRICATION D'UN SEL D'ACIDE (S)-3,4-EXOBUTYRIQUE PRESENTANT UNE ACTIVITE OPTIQUE
申请人:SAMSUNG FINE CHEMICALS CO LTD
公开号:WO2000005227A1
公开(公告)日:2000-02-03
This invention relates to a process for manufacturing an optically active (S)-3,4-epoxybutyric acid salt and more particularly, to a method for manufactuing (S)-3,4-epoxybutyric acid salt expressed by formula (1), wherein an optically active (S)-3-hydroxybutyrolactone is employed to undergo an economical ring-opening reaction and epoxydation so that its chiral center is maintained in an original form. In said formula, R1 represents alkali metal atom, alkaline earth metal atom, alkylamine group or quarternary amine group.