abstract |
The invention relates to a novel process for the preparation of chlorinated carboxylic acid esters of formula I <IMAGE> (I) wherein R1 is alkyl, alkenyl, alkynyl, cycloalkyl, aralkyl or aryl and R2 hydrogen is alkyl or cycloalkyl, which process comprises reacting an acylal of formula II <IMAGE> (II) with thionyl chloride. |