[EN] METHOD FOR PREPARATION OF ALPHA-METHYL-L-PROLINE<br/>[FR] PROCÉDÉ DE PRÉPARATION D'ALPHA-MÉTHYL-L-PROLINE
申请人:LONZA GUANGZHOU NANSHA LTD
公开号:WO2019002344A1
公开(公告)日:2019-01-03
The invention discloses a method for preparation of alpha-methyl-L-proline starting from proline and comprising three steps, first a conversion with chloral, then a conversion with methyl bromide and then a conversion with aqueous HCl.