Preparation of derivatives of dichloroacetic acid esters

Details Preparation of derivatives of dichloroacetic acid esters Preparation of derivatives of dichloroacetic acid esters

C - Chemistry, Metallurgy

07

C

260/387.1, 260/3

C07C 69/65 (2006.01) C07C 69/612 (2006.01) C07D 333/24 (2006.01)

Patent

CA 1189867

ABSTRACT The invention relates to a process for the preparation of derivatives of dichloroacetic acid esters, by reaction of a glyoxylic acid ester having the general formula R1-CO-COOR2, wherein R1 represents an optionally substituted aryl or heteroaryl group and R2 an alkyl, cycloalkyl or aryl group, with phosphoruspentachloride in ?e pre- sence of a dispersant suitable for distributing the phosphoruspen- tachloride.

411413

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