Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1984-11-29
1987-04-28
Killos, Paul J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
560 55, 560 64, 560103, 560112, 560232, 560105, 562517, 562519, C07C 6976, C07C 5112
Patent
active
046616195
ABSTRACT:
Carboxylic acids and/or esters thereof are produced by reacting either a benzylic or an aromatic mercaptan with carbon monoxide and either water or an aqueous alcohol at elevated temperature, suitably in the range from 100.degree. to 300.degree. C., in the presence as catalyst of a cobalt carbonyl, the product using water as the reactant being a carboxylic acid and using aqueous alcohol as the reactant a carboxylic acid ester, mixtures of acids and esters being formed using aqueous alcohols having high water concentrations.
REFERENCES:
patent: 3116306 (1963-12-01), Heck
patent: 3784573 (1974-01-01), Fields et al.
patent: 3845121 (1974-10-01), Eubanks et al.
patent: 3988358 (1976-10-01), Heck
patent: 4323694 (1982-04-01), Scala, Jr.
The Chemistry of Organic Compounds, Fourth ed., by J. B. Conant and A. H. Blatt; 1954 MacMillan Co., N.Y.; pp. 335-338.
Carbon Monoxide in Organic Synthesis, by J. Falbe; 1970 Springer-Verlag, N.Y.; pp. 116, 186-193.
Alper Howard
Shim Sang C.
Smith David J. H.
Killos Paul J.
The British Petroleum Company p.l.c.
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