Hydroformylation of olefinic compounds

Details Hydroformylation of olefinic compounds Hydroformylation of olefinic compounds

1979-06-04

1980-12-09

Trousof, Natalie

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

Organic compounds

Oxygen containing

252431R, 252431P, C07C 4550

Patent

active

042384192

ABSTRACT:
Rhodium catalyzed hydroformylation of olefinic compounds is essentially effected in the presence of a secondary phosphine oxide of the general formula (I) in an amount of at least one mole per gram atom of rhodium, which supresses the thermal degradation of the rhodium catalyst in the hydroformylation stage as well as in the distillation of the reaction products: ##STR1## wherein, in the formula (I), R.sup.1 and R.sup.2 are the same or different, substituted or unsubstituted hydrocarbon residues containing not more than 20 carbon atoms.
The phosphine oxide of the general formula (I) maintains the catalytic activity over a prolonged period of time and prevents essentially metallic rhodium from sticking to the vessel during distillation of the reaction products from the reaction mixture, and consequently makes recycle of the catalyst easier and enables lowering the hydroformylation pressure.

REFERENCES:
patent: 3954877 (1976-05-01), Gipson
patent: 4060557 (1977-11-01), Macaluso et al.
patent: 4101588 (1978-07-01), Nieuburg et al.
patent: 4142992 (1979-03-01), Knowles et al.
Miller, Clay Robert et al., Journal of the American Chemical Society vol. 79, (1957) pp. 424-427.
Grayson, M. et al., Tetrahedron, vol. 23, (1967) pp. 1065-1078.
Bird, C. W., Chemical Reviews, vol. 62, (1962) pp. 289-291.

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