[EN] PROCESSES FOR THE PREPARATION OF ALPHA-HYDROXY ESTERS VIA GRIGNARD COUPLING AND THIOLATION REACTIONS<br/>[FR] PROCÉDÉS DE PRÉPARATION D'ESTERS ALPHA-HYDROXY PAR COUPLAGE DE GRIGNARD ET RÉACTIONS DE THIOLATION
申请人:KEMIN IND INC
公开号:WO2021102115A1
公开(公告)日:2021-05-27
The present disclosure provides processes for preparing an alpha-hydroxy ester by addition of a vinyl Grignard reagent to an oxalate ester and thiolation of the resulting double bond. Also provided are alpha-hydroxy esters and synthetic intermediates prepared according to processes disclosed herein and compositions comprising the alpha-hydroxy esters.
本公开提供了通过向草酸酯和硫醇化合物的双键中加入乙烯基格氏试剂来制备α-羟基酯的工艺。还提供了根据本公开的工艺制备的α-羟基酯和合成中间体,以及包含α-羟基酯的组合物。