[EN] PROCESS FOR PREPARING S-BEFLUBUTAMID BY RESOLVING 2-BROMOBUTANOIC ACID [FR] PROCÉDÉ DE PRÉPARATION DE S-BEFLUBUTAMIDE PAR DÉDOUBLEMENT DE L'ACIDE 2-BROMOBUTYRIQUE
[EN] PROCESS FOR PREPARING S-BEFLUBUTAMID BY RESOLVING 2-BROMOBUTANOIC ACID [FR] PROCÉDÉ DE PRÉPARATION DE S-BEFLUBUTAMIDE PAR DÉDOUBLEMENT DE L'ACIDE 2-BROMOBUTYRIQUE
[EN] PROCESS FOR THE SYNTHESIS OF S-BEFLUBUTAMID FROM (R)-2-AMINOBUTANOIC ACID<br/>[FR] PROCÉDÉ DE SYNTHÈSE DU S-BÉFLUBUTAMIDE À PARTIR DE L'ACIDE (R)-2-AMINOBUTYRIQUE
申请人:CHEMINOVA AS
公开号:WO2021161099A1
公开(公告)日:2021-08-19
Disclosed are methods for preparing compound S-1 (S-1) from (R)-2-bromobutanoic acid prepared by treating (R)-2-aminobutanoic acid with an alkali metal nitrite compound and hydrobromic acid.