Process for the preparation of a diester of a 2-butenedioic acid
AssigneeShell Oil Company
InventorsEit Drent, Antonius J. M. Breed
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Abstract
Process for the preparation of diesters of 2-butenedioic acids by reacting an optionally substituted acetylenically unsaturated hydrocarbon having two carbon atoms less than said 2-butenedioic acid, carbon monoxide, a quinone in the presence of a of Group VIII noble metal or a compound thereof, and optionally, a redox agent.
Claims30
A process for the preparation of a diester of a 2-butenedioic acid which process comprises reacting at a temperature in the range of from 20.degree. C. to 200.degree. C. and a pressure in the range of from 1 bar to 200 bar an acetylenically unsaturated hydrocarbon having two carbon atoms per molecule less than said 2-butenedioic acid, carbon monoxide, an alcohol and a quinone in the presence of a noble metal selected from the group consisting of Group VIII of the Periodic Table of the Elements and compounds thereof.
Dependencies are inferred from the claim text.