Process for the production of 4-chloroacetoacetyl chloride, 4-chloroacetoacetic acid esters, amides and imides
申请人:Klegraf Ellen
公开号:US09227905B2
公开(公告)日:2016-01-05
The invention relates to process for the continuous production of 4-chloroacetoacetyl chloride, comprising the steps of (a) feeding diketene and chlorine into a thin film reactor and (b) reacting the diketene and chlorine to obtain 4-chloroacetoacetyl chloride. The invention also relates to a process for the production of 4-chloroacetoaceticacid ester, 4-chloroacetoaceticacid amide or 4-chloroacetoaceticacid imide from 4-chloroacetoacetyl chloride obtained according to the inventive process.