Preparation of unsaturated monoesters by the catalytic...

Details Preparation of unsaturated monoesters by the catalytic... Preparation of unsaturated monoesters by the catalytic...

C - Chemistry, Metallurgy

07

C

260/477.3, 260/4

C07C 69/587 (2006.01) C07C 69/58 (2006.01) C07C 69/618 (2006.01) C07C 69/65 (2006.01)

Patent

CA 1146963

ABSTRACT OF THE DISCLOSURE A process for the preparation of an unsaturated monoester having the formula RO?CR'=CR'CR'=CHR' wherein R is an alkyl group of from 1 to 8 carbon atoms or an aralkyl group containing 6 carbon atoms in the ring and from 1 to 4 carbon atoms in the alkyl substituent, and R' is hydrogen, a halogen, an alkyl group of from 1 to 4 carbon atoms or an aryl group containing 6 carbon atoms in the ring, by reacting carbon monoxide and oxygen with a diolefin having the formula Image wherein R' which may be the same or different is as hereinabove described, in the presence of a catalytic amount of a platinum group metal compound, a copper or iron oxidant salt compound and a stoichiometric amount of a dehydrating agent. Alternatively, a ligand or coordination complex compound of the metal salt compound, and catalytic quantities of an alcohol may be employed.

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