Hydroformylation process employing tetracarboxylatodiruthenium h

Details Hydroformylation process employing tetracarboxylatodiruthenium h Hydroformylation process employing tetracarboxylatodiruthenium h

1982-08-26

1984-10-02

Lone, Werren B.

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

Organic compounds

Oxygen containing

568452, C07C 4550

Patent

active

044749953

ABSTRACT:
Disclosed is a process for the hydroformylation of olefins (includes mixtures of olefins) of 2 to 20 carbons, and preferably of 3 to 10 carbons for the production of relatively high proportions of branched to linear aldehydes, and with especially good selectivity to the production of butyraldehydes from propylene, wherein the olefin is contacted in a reaction zone at a temperature of from about 70.degree. C. to about 250.degree. C., preferably from about 150.degree. C. to about 220.degree. C., and a pressure of from about 500 psig to about 10,000 psig, preferably from about 2,500 psig to about 3,500 psig with hydrogen and carbon monoxide in the presence of a catalytic amount of one or more tetracarboxylatodiruthenium halide complexes, i.e., an amount containing from about 10.sup.-7 to about 10.sup.-1, preferably from about 10.sup.-5 to about 10.sup.-3 moles of ruthenium per mole of olefin, for a sufficient period of time to permit reaction of the olefin with the hydrogen and carbon monoxide to form aldehyde product.

REFERENCES:
patent: 3965192 (1976-06-01), Booth
patent: 4226845 (1980-10-01), Laine
patent: 4252678 (1981-02-01), Smith
patent: 4306084 (1981-12-01), Pettit

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