Hydrocarbonylation/carbonylation of alkyl carboxylates

Details Hydrocarbonylation/carbonylation of alkyl carboxylates Hydrocarbonylation/carbonylation of alkyl carboxylates

1981-07-06

1984-02-14

Garner, Vivian

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

Organic compounds

Carboxylic acid esters

260409, 2604105, 2604109R, 260413, 560 1, 560103, 560106, 560122, 560123, 560124, 560232, 560254, 560265, 562400, 562406, 562493, 562496, 562504, 562505, 562506, 562517, 562519, 562606, 562607, 568428, 568484, 568715, 568814, 568876, 568885, C07C 6736, C07C 5112, C07C 4549, C07C 2936

Patent

active

044318359

ABSTRACT:
Alkyl carboxylates are hydrocarbonylated and/or carbonylated with carbon monoxide and hydrogen, in an aqueous medium, and in the presence of a catalytically effective amount of a catalyst system comprising (i) ruthenium, (ii) cobalt, (iii) at least one iodine-containing promoter, and (iv) chromium. The subject hydrocarbonylation/carbonylation is admirably well suited, e.g., for the preparation of acetaldehyde, ethanol, ethyl acetate and acetic acid, especially from a methyl carboxylate.

REFERENCES:
patent: 4133966 (1979-01-01), Pretzer et al.
patent: 4189441 (1980-02-01), Braca et al.
patent: 4239924 (1980-12-01), Pretzer et al.

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