[EN] PREPARATION OF CIS-2-ALKENOIC ACIDS<br/>[FR] PRÉPARATION D'ACIDES CIS-2-ALCÉNOÏQUES
申请人:[en]BROMINE COMPOUNDS LTD.
公开号:WO2022118309A1
公开(公告)日:2022-06-09
A process for the preparation of cis-2-alkenoic acid or an alkali metal salt thereof, comprising rearranging 1,3-dibromo- 2-alkanone in an alkaline environment in the presence of a catalytically effective amount of an alkali metal salt of cis- 2-alkenoic acid, and isolating from the reaction mixture cis- 2-alkenoic acid, either in the form of the free acid or in the form of the alkali metal salt.