Preparation of hexenedioic acid diesters

Details Preparation of hexenedioic acid diesters Preparation of hexenedioic acid diesters

1990-12-13

1992-02-11

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

C07C 6738

Patent

active

050877356

ABSTRACT:
Hexenedioic acid diesters, e.g., a hex-3-ene-1,6-dioic acid diester, are prepared by reacting carbon monoxide and an alcohol with at least one diacyloxylated butene in a polar, aprotic, basic solvent, in the presence of a catalytically effective amount of palladium values and at least one inorganic halide, the cation of which halide being an alkali or alkaline earth metal and the anion thereof being a chloride or bromide.

REFERENCES:
patent: 3367961 (1968-02-01), Brewbaker
patent: 4060547 (1977-11-01), Paulik et al.
patent: 4575562 (1986-03-01), Hsu
patent: 4633015 (1986-12-01), Chan et al.
patent: 4857657 (1989-08-01), Denis et al.
patent: 4925973 (1990-05-01), Deweerdt

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