Process for the preparation of diesters of dicarboxylic acids

Details Process for the preparation of diesters of dicarboxylic acids Process for the preparation of diesters of dicarboxylic acids

1986-05-14

1987-02-10

Shippen, Michael L.

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

Organic compounds

Carboxylic acid esters

560 97, 560204, C07C 6738

Patent

active

046423710

ABSTRACT:
Preparation of a diester of a dicarboxylic acid by reacting an unsaturated hydrocarbon having two carbon atoms less than the dicarboxylic acid, carbon monoxide and a nitrite ester with a solvent in the presence of a catalyst system formed by combining (1) a Group VIII noble metal compound and (2) a vanadium salt and/or a titanium salt.

REFERENCES:
patent: 4138580 (1979-02-01), Umemura et al.
patent: 4234740 (1980-11-01), Umemura et al.
patent: 4260810 (1981-04-01), Umemura et al.

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