Hydrocarboxylation of unsaturated carboxylic acids to linear dic

Details Hydrocarboxylation of unsaturated carboxylic acids to linear dic Hydrocarboxylation of unsaturated carboxylic acids to linear dic

1985-01-07

1988-11-29

Lone, Werren B.

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

Organic compounds

Carboxylic acids and salts thereof

562522, C07C 5114

Patent

active

047883332

ABSTRACT:
The preparation of linear dicarboxylic acids, e.g., adipic acid, by hydrocarboxylating unsaturated monocarboxylic acids, e.g., 3-pentenoic acid, with carbon monoxide and water in the presence of a rhodium-containing catalyst, an iodide promoter and certain inert halocarbon solvents, e.g., methylene chloride.

REFERENCES:
patent: 3579552 (1971-05-01), Craddock et al.
patent: 3876695 (1975-04-01), Kutepow
patent: 4172087 (1979-10-01), Knifton
patent: 4377708 (1983-03-01), Morris
patent: 4622423 (1986-11-01), Burke
Imyanitov et al., Karbonili-rovonie Nenasyshchennyky Uglevodorodov (1968), 225-32, CA 71 21648y.
Mechanistic Pathways in the Catalysis of Olefin Hydrocarboxylation by Rhodium, Iridium, and Cobalt Complexes, D. Forster et al., Catal. Rev.-Sci. Eng., 23 (1&2), pp. 89-105 (1981).

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