Preservation of aqueous systems with 2-chloro-3-oxobutyramide derivatives
申请人:Givaudan Corporation
公开号:US04214002A1
公开(公告)日:1980-07-22
There is disclosed methods and compositions for inhibiting or preventing the growth of microorganisms in aqueous systems wherein the growth is inhibited or prevented by the presence of an effective amount of a 2-chloro-3-oxobutyramide derivative.
[EN] METHOD FOR PREPARATION OF 2-CHLOROACETOACETIC ACID AMIDE AND ESTER<br/>[FR] PROCÉDÉ DE PRÉPARATION D'AMIDE ET D'ESTER D'ACIDE 2-CHLOROACÉTOACÉTIQUE
申请人:LONZA AG
公开号:WO2019170791A1
公开(公告)日:2019-09-12
The invention discloses a method for the preparation of 2-chloro acetoacetic acid amide or ester by a reaction of acetoacetic acid amide or ester with trichloroisocyanuric acid in the presence of amylene and in the solvent acetone.