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.
A compound represented by the following formula (A) has excellent control efficacy against weeds, and shows high safety against useful plants.
以下化学式(A)所代表的化合物对于杂草有着出色的控制效果,并且对于有用植物具有高度的安全性。
[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.