Process for the preparation of chlorinated carboxylic acid ester

Details Process for the preparation of chlorinated carboxylic acid ester Process for the preparation of chlorinated carboxylic acid ester

1992-03-10

1992-12-15

Killos, Paul J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

560 21, 560 64, 560 56, 560100, 560111, 560125, 560126, 560156, 560179, 560223, C07C 6702

Patent

active

051718790

ABSTRACT:
The invention relates to a novel process for the preparation of chlorinated carboxylic acid esters of formula I ##STR1## wherein R.sub.1 is alkyl, alkenyl, alkynyl, cycloalkyl, aralkyl or aryl and R.sub.2 hydrogen is alkyl or cycloalkyl, which process comprises reacting an acylal of formula II ##STR2## with thionyl chloride.

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Michie et al., Synthesis (1981), p. 824.

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