Ruthenium-cobalt carbonyl catalysts for the dealkoxyhydroxymethy

Details Ruthenium-cobalt carbonyl catalysts for the dealkoxyhydroxymethy Ruthenium-cobalt carbonyl catalysts for the dealkoxyhydroxymethy

1985-10-02

1986-10-14

Konopka, P. E.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Inorganic carbon containing

502161, 568648, 568670, 568671, 568675, 568678, B01J 2720, B01J 3120, C07C 4101

Patent

active

046172874

ABSTRACT:
Ruthenium carbonyl-cobalt carbonyl catalyst mixtures effectively catalyze the dealkoxyhydroxymethylation of aldehyde acetals, wherein said acetal may be prepared separately or in situ from an aldehyde and an alcohol. Methylal, for example, may be reacted with syngas, i.e., CO and H.sub.2, in the presence of this ruthenium carbonyl-cobalt carbonyl catalyst to form the monomethyl ether of ethylene glycol.
The invention also is directed to the ruthenium carbonyl-promoted cobalt carbonyl catalysts per se, including novel precipitated forms of these ruthenium-cobalt carbonyl catalyst mixtures.

REFERENCES:
patent: 2525793 (1950-10-01), Gresham et al.
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patent: 4226845 (1980-10-01), Laine
patent: 4308403 (1981-12-01), Knifton
patent: 4317943 (1982-03-01), Knifton
patent: 4356327 (1982-10-01), Knifton
patent: 4357477 (1982-11-01), Knifton
patent: 4390734 (1983-06-01), Knifton
patent: 4484002 (1984-11-01), Lin

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