Preparation of diesters of hexenedioic acid

Details Preparation of diesters of hexenedioic acid Preparation of diesters of hexenedioic acid

1989-06-13

1990-05-15

Lone, Werren B.

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

Organic compounds

Carboxylic acid esters

560190, 562595, C07C 6738

Patent

active

049259733

ABSTRACT:
Diesters of hexene-1,6-dioic acid are efficiently and selectively prepared by reacting carbon monoxide and an alcohol with at least one diacyloxylated butene compound, in the presence of (a) a catalytically effective amount of a palladium-based catalyst and (b) a quaternary onium chloride or bromide of nitrogen or phosphorus.

REFERENCES:
patent: 3367961 (1968-02-01), Brewbaker
patent: 4060547 (1977-11-01), Paulik et al.
patent: 4611082 (1986-09-01), Chan et al.

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