Process for the preparation of thioglycolic acid alkyl esters

Details Process for the preparation of thioglycolic acid alkyl esters Process for the preparation of thioglycolic acid alkyl esters

1995-12-18

1998-02-03

Barts, Samuel

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

Organic compounds

Carboxylic acid esters

C07C31912

Patent

active

057146292

ABSTRACT:
The invention relates to an improved process for the preparation of thioglycolic acid alkyl esters by heating a reaction mixture which essentially comprises thioglycolic acid, an alcohol and an acid catalyst, the water formed being removed by distillation using a water separator, in which the resulting product mixture is passed over a basic ion exchanger, if appropriate after removal of the acid catalyst.

REFERENCES:
patent: 4380650 (1983-04-01), Coleman et al.
patent: 5095138 (1992-03-01), Labat et al.
patent: 5124490 (1992-06-01), Cipullo

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