Patent ID: 7772419
Filing Date: 2010-08-10
Classification: C07C

Abstract:
1. A process for the alkoxycarbonylation of a vinyl ester to give predominantly linear product comprising reacting a vinyl ester with carbon monoxide in the presence of an alkanol and of a catalyst system, the catalyst system obtainable by combining: (a) a metal of Group VIII B or a compound thereof: and (b) a bidentate ligand of general formula (I) wherein: the bridging group R is defined as -A-(K,D)Ar(E,Z)—B— wherein: Ar is a bridging group comprising an optionally substituted aryl moiety to which the Q A and B each independently represent lower alkylene; K, D, E and Z are substituents of the aryl moiety (Ar) and each independently represent hydrogen, lower alkyl, aryl, Het, halo, cyano, nitro, OR X R R2 and R3 independently represent univalent radicals containing up to 20 atoms or jointly form a bivalent radical of up to 20 atoms; Q1 and Q2 each independently represent phosphorus, arsenic or antimony.