Preparation of derivatives of dichloroacetic acid esters

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

1982-09-15

1985-09-17

Rotman, Alan L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546342, 549 79, 549499, 560 8, 560 55, 560105, C07D21355, C07D30754, C07D33324, C07C 6976

Patent

active

045422206

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 R.sub.1 --CO--COOR.sub.2, wherein R.sub.1 represents an optionally substituted aryl or heteroaryl group and R.sub.2 an alkyl, cycloalkyl or aryl group, with phosphoruspentachloride in the presence of a dispersant suitable for distributing the phosphoruspentachloride.

REFERENCES:
Bulletin De La Societe Chimique De France, 1959, pp. 850-853, Paris (France), M. Julia, et al., "Sur Quelques Derives Alpha-Chloro et Alpha, Alpha-Dichloroarylacetiques".

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