Selective carbonylation of olefinically unsaturated hydrocarbons

Details Selective carbonylation of olefinically unsaturated hydrocarbons Selective carbonylation of olefinically unsaturated hydrocarbons

1977-09-14

1981-01-13

Trousof, Natalie

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

560130, 562522, 260544A, C07C 6738

Patent

active

042451159

ABSTRACT:
A carbonylation process is provided for conversion of olefinically unsaturated hydrocarbons to a mixture of esters or acids with a high ratio of iso:normal ester or acid by reaction with carbon monoxide and a hydroxylic compound, said process being carried out in the absence of added hydrogen or oxygen and in the presence of a palladium salt complexed with an arsine or stibine ligand as catalyst; 2-10 additional moles of arsine or stibine ligand per mole of catalyst may be present in said process to further enhance the ratio of iso:normal product and to promote catalyst stability. The catalyst, for example, may be palladium dichloride bis(triphenylarsine) or palladium dichloride bis(tri-p-tolyl arsine).

REFERENCES:
patent: 3102899 (1963-09-01), Connell
patent: 3168553 (1965-02-01), Slaugh
patent: 3437676 (1969-04-01), Kutepow
patent: 3530168 (1970-09-01), Biale
patent: 3641074 (1972-02-01), Fenton
patent: 3641076 (1972-02-01), Booth
patent: 3668249 (1972-06-01), Fenton
patent: 3733362 (1973-05-01), Biale
patent: 3755421 (1973-08-01), Fenton
patent: 3839378 (1974-10-01), Yamaguchi
patent: 3857900 (1974-12-01), Wilkinson

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