Process for the carbonylation of olefinically unsaturated...

C - Chemistry – Metallurgy – 07 – C

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260/495.1, 260/5

C07C 67/36 (2006.01) C07C 51/14 (2006.01) C07C 69/24 (2006.01)

Patent

CA 1303058

K 680 A B S T R A C T PROCESS FOR THE CARBONYLATION OF OLEFINICALLY UNSATURATED COMPOUNDS WITH A PALLADIUM CATALYST Process for the carbonylation of an olefinically unsaturated compound with CO in the presence of water, an alcohol and/or a carboxylic acid and in the presence of a homogeneous catalytic system prepared by combining:- a) a Pd(II) compound, b) at least 5 mol of a triarylphosphine per gram atom Pd, and c) at least 1 mol of a non-carboxylic acid having a PKa > 2 and/or of a sterically hindered carboxylic acid having a PKa < 4.5 per mol phosphine. EARH04

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