Process for purifying esters

Details Process for purifying esters Process for purifying esters

1980-03-26

1981-12-08

Niebling, John F.

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

Organic compounds

Carboxylic acid esters

560 79, 560103, 560112, 560191, 560218, 560248, 2604106, 2604109R, 260425, C09F 508, C11C 302

Patent

active

043049257

ABSTRACT:
In a process for purifying an ester with little contamination by catalytic metal components in a high yield which comprises treating an esterification reaction mixture with a basic substance, said esterification reaction mixture being obtained by reacting an organic carboxylic acid or its anhydride with an alcohol in the presence of an organometallic compound as an esterification catalyst, and purifying the product in a manner known per se; the improvement wherein prior to said treatment with the basic substance, water is added to the esterification reaction mixture and the mixture is heated.

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