Process for the preparation of 4-alkoxyacetoacetic acid ester

Details Process for the preparation of 4-alkoxyacetoacetic acid ester Process for the preparation of 4-alkoxyacetoacetic acid ester

1982-09-27

1985-09-10

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

560 53, C72

Patent

active

045408084

ABSTRACT:
Process for the production of 4-alkoxyacetoacetic acid esters from 4-chloro- or 4-bromoacetoacetic esters. The 4-chloro- or 4-bromoacetoacetic ester is reacted with a highly concentrated solution of an alkali alcoholate in alcohol having been concentrated at elevated temperatures, at temperatures of 50.degree. to 120.degree. C. At least 2.8 mole of the alkali alcoholate are used per mole of 4-chloro- or 4-bromoacetoacetic ester.

REFERENCES:
Bull. Soc. Chim., France, 4th Series, 29 (1921), pp. 402-406.

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