Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1989-09-27
1991-04-30
Shippen, Michael L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
502151, 502170, C07C 6705
Patent
active
050119800
ABSTRACT:
A catalyst prepared by (a) impregnating a catalyst carrier with an aqueous solution of a palladium salt and a salt of at least one metal selected from the group consisting of copper, lead, ruthenium and rhenium in an amount corresponding to 90 to 95% of the water absorption of the carrier, (b) treating the impregnated carrier with an aqueous solution of an alkali metal salt in an amount corresponding to 120 to 500% of the water absorption of the carrier to precipitate water-insoluble compounds of palladium and at least one metal selected from the group consisting of copper, lead, ruthenium and rhenium on the carrier, (c) treating the metal compounds-deposited carrier with a reducing agent to convert the compounds to the corresponding metals, and (d) further supporting an alkali metal acetate on the carrier, had a high catalytic activity for the reaction of forming allyl acetate by reacting propylene, acetic acid and oxygen in the gas phase, and the selectivity to allyl acetate is very high and the life of this catalyst is long.
REFERENCES:
patent: 3300528 (1967-01-01), Wakasa
patent: 3917676 (1975-11-01), Kisaki
patent: 3970713 (1976-07-01), Scharfe
patent: 4634794 (1987-01-01), Drake
patent: 4647690 (1987-03-01), Drake
Kamei Hideyuki
Maki Kenichiro
Sano Ken-ichi
Shippen Michael L.
Showa Denko K.K.
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