Production of dimethyl esters

Details Production of dimethyl esters Production of dimethyl esters

1981-05-20

1982-12-21

Trousof, Natalie

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

Organic compounds

Carboxylic acid esters

203 14, 203 15, 203 16, 203 38, 203 39, 203 43, 203 66, C07C 6708

Patent

active

043650805

ABSTRACT:
This invention provides an improved process for the separation and recovery of byproducts associated with the isolation of C.sub.4 -C.sub.6 dicarboxylic acids contained in a waste byproduct stream derived from an adipic acid manufacturing operation involving nitric acid oxidation of a cyclohexanone/cyclohexanol feedstream.
The main byproducts which are recovered are high purity dimethyl succinate, dimethyl glutarate and dimethyl adipate.

REFERENCES:
patent: 3574706 (1971-04-01), Cevidalli et al.
patent: 3734951 (1973-05-01), Suter et al.
patent: 3859335 (1975-01-01), Schindlbauer et al.
patent: 3991100 (1976-11-01), Hochberg
patent: 4105856 (1978-08-01), Newton

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