Process for preparing acetaldehyde from methanol and synthesis g

Details Process for preparing acetaldehyde from methanol and synthesis g Process for preparing acetaldehyde from methanol and synthesis g

1982-02-01

1984-02-21

Lone, Werren B.

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

Organic compounds

Oxygen containing

568489, 568890, 568902, C07C 4706

Patent

active

044331762

ABSTRACT:
Acetaldehyde is prepared in good yield from methanol and synthesis gas under mild reaction conditions by contacting a mixture of methanol, carbon monoxide and hydrogen with an iodide or iodine free catalyst composition comprising (1) ruthenium powder, (2) a cobalt-containing compound (3) a rhodium-containing compound, and (4) an onium salt or base, and heating the resulting mixture under mild temperature and pressure for sufficient time to produce the desired acetaldehyde, and then recovering the same from the reaction mixture.

REFERENCES:
patent: 4151208 (1979-04-01), Pretzer et al.
patent: 4306091 (1981-12-01), Gauthier-Lafaye
patent: 4348541 (1982-09-01), Doyle

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