Process for homologation of methanol to ethanol

Details Process for homologation of methanol to ethanol Process for homologation of methanol to ethanol

1982-05-17

1984-01-03

Evans, J. E.

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

Organic compounds

Oxygen containing

C07C 2900, C07C 3108

Patent

active

044243847

ABSTRACT:
Ethanol is prepared by contacting methanol, hydrogen and carbon monoxide with a catalyst system comprising an iodide-free ruthenium-containing compound, an iodide-free quaternary phosphonium or ammonium base or salt and a halide-free cobalt-containing compound, such as cobalt(III) acetylacetone or dicobalt octacarbonyl, in the presence of a substantially inert solvent.

REFERENCES:
patent: 4205190 (1980-05-01), Gane et al.
patent: 4304946 (1981-12-01), Isogai et al.
patent: 4324927 (1982-04-01), Gauthier-Lafaye et al.

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