Process for the carbonylation of ethylenically unsaturated...

Details Process for the carbonylation of ethylenically unsaturated... Process for the carbonylation of ethylenically unsaturated...

C - Chemistry, Metallurgy

07

C

260/495.1, 260/4

C07C 51/14 (2006.01) C07C 67/38 (2006.01) C07C 69/34 (2006.01)

Patent

CA 1284658

A B S T R A C T PROCESS FOR CARBONYLATION OF ETHYLENICALLY UNSATURATED COMPOUNDS Process for the preparation of a carboxylic ester or acid by reacting an ethylenically unsaturated compound in which each of the carbon atoms of the carbon-carbon double bond is secondary or tertiary, with CO in the presence of an alkanol or water, respectively, and of a catalytic system prepared by combining:- a) Pd and/or a Pd compound, b) a strong acid, except hydrohalogenic and carboxylic acids, and c) a bidentate ligand, using a molar ratio of acid to ligand of greater than 0.5.

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