Process for the production of carboxylic acid esters and/or...

C - Chemistry – Metallurgy – 07 – C

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260/479, 260/524

C07C 51/14 (2006.01) C07C 67/38 (2006.01) C07C 69/24 (2006.01)

Patent

CA 1239649

ABSTRACT OF THE DISCLOSURE Carboxylic acid esters are produced by reacting an unsaturated hydrocarbon, for example an olefin or an alkyne, with carbon monoxide and an alcohol in the presence of a protonic acid and as catalyst (a) at least one of the metals palladium, rhodium, ruthenium, iridium and cobalt, and (b) copper. In a modification of the invention carboxylic acids are produced by omitting the alcohol reactant and replacing it with water in an amount up to 8 mole equivalents based on the unsaturated hydrocarbon and a solvent other than an alcohol, for example tetrahydrofuran.

437634

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