[EN] PROCESS FOR THE SYNTHESIS OF S-BEFLUBUTAMID USING ASYMMETRIC HYDROGENATION<br/>[FR] PROCÉDÉ DE SYNTHÈSE DE S-BÉFLUBUTAMIDE À L'AIDE D'UNE HYDROGÉNATION ASYMÉTRIQUE
申请人:CHEMINOVA AS
公开号:WO2021160649A1
公开(公告)日:2021-08-19
Disclosed is a method for preparing compound S-1, from compound S-5; wherein compound S-5 is prepared by treating compound 2 with a tertiary amine and a hydrogen source in the presence of a chiral complex.