Purification of carboxylates containing aldehydes, acetals and/o

Details Purification of carboxylates containing aldehydes, acetals and/o Purification of carboxylates containing aldehydes, acetals and/o

1983-07-28

1985-06-11

Trousof, Natalie

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

Organic compounds

Carboxylic acid esters

203 32, 203 91, 2604109R, 260420, 502 11, 502 74, 560 1, 560114, 560122, 560127, 560190, 560204, C07C 6756

Patent

active

045230277

ABSTRACT:
Carboxylates which contain aldehydes, acetals and/or unsaturated compounds and are obtained by reacting an olefinically unsaturated compound with carbon monoxide and an alkanol are purified by a process wherein the said carboxylates are treated with hydrogen at elevated temperatures in the presence of an acidic ion exchanger or zeolite doped with one or more metals of group VIII of the periodic table, and the resulting low and/or high boilers are separated off by distillation.

REFERENCES:
patent: 2043688 (1936-06-01), Woodhouse
patent: 2801263 (1957-07-01), Hasek et al.
patent: 3176028 (1965-03-01), Cross
patent: 4189599 (1980-02-01), Kesling et al.
patent: 4331812 (1982-05-01), Smiley

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