[EN] INDUSTRIAL PROCESS FOR THE PREPARATION OF (5S,10S)-10-BENZYL-16-METHYL-11,14,18-TRIOXO-15,17,19-TRIOXA-2,7,8-TRITHIA-12-AZAHENICOSAN-5-AMINIUM (E)-3-CARBOXYACRYLATE SALT<br/>[FR] PROCÉDÉ INDUSTRIEL POUR LA PRÉPARATION DU SEL (E)-3-CARBOXYACRYLATE DE (5S,10S)-10-BENZYL-16-MÉTHYL-11,14,18-TRIOXO-15,17,19-TRIOXA-2,7,8-TRITHIA-12-AZAHÉNICOSAN-5-AMINIUM
申请人:PHARMALEADS
公开号:WO2017064250A1
公开(公告)日:2017-04-20
The present invention relates to an industrial process for the preparation of (5S,10S)-10- benzyl-16-methyl-11,14,18-trioxo-15,17,19-trioxa-2,7,8-trithia-12-azahenicosan-5-aminium (E)-3-carboxyacrylate salt of following formula (I) : wherein X is fumarate. This process comprises the following successive key steps: a kinetic resolution, formation of disulfide compound, peptide coupling, and anion exchange reaction to obtain the desired product of formula (I).