Manufacture of vicinal glycol esters from synthesis gas

Details Manufacture of vicinal glycol esters from synthesis gas Manufacture of vicinal glycol esters from synthesis gas

1979-12-14

1981-05-19

Mars, Howard T.

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

Organic compounds

Carboxylic acid esters

2604106, 2604109R, 260449R, 260449L, 560265, 560227, 252428, 252429R, 252429A, 252429B, 252431R, 252431P, 252431N, 252437, 252438, 252441, 252472, 252473, 252474, C07C 2706, C07C 6914, C07C 6916

Patent

active

042686890

ABSTRACT:
This invention concerns the improved preparation of glycol esters, such as ethylene glycol diesters, by reaction of carbon monoxide and hydrogen in the presence of a ruthenium or osmium-containing catalyst and a liquid phase medium containing a carboxylic acid co-reactant. The improvement which comprises the invention here also involves use of a co-catalyst species selected from the group consisting of one or more alkali metal salts, alkaline earth metal salts, quaternary ammonium salts, iminium salts and quaternary aliphatic phosphonium salts.

REFERENCES:
patent: 2534018 (1950-12-01), Gresham et al.
patent: 2549470 (1951-04-01), Howk et al.
patent: 2632014 (1953-03-01), Gresham
patent: 3040090 (1962-06-01), Alderson
patent: 3767709 (1973-10-01), Fenton
patent: 3878290 (1975-04-01), Walker et al.
patent: 3944588 (1976-03-01), Kaplan
patent: 4013700 (1977-03-01), Cawse
patent: 4098727 (1978-07-01), Haag et al.
patent: 4170605 (1979-10-01), Williamson et al.
Pichler et al., Brennstoff Chemie, No. 9, Bd. 48, 1967, pp. 226-272.

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