Carbonylation of olefinic compounds

Details Carbonylation of olefinic compounds Carbonylation of olefinic compounds

1979-07-23

1982-06-08

Garner, Vivian

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

203 6, 203 38, 2604106, 2604109R, 2604651, 2604654, 560105, 560155, 560175, 560177, 560185, 560187, 560204, 560207, 560233, 560266, 564467, 568429, 568454, 568909, 525340, 525383, 525384, C07C 4550, C07C 6738, C08F 814, C08F 800

Patent

active

043340423

ABSTRACT:
In the carbonylation of olefinic compounds in the presence of a cobalt carbonyl catalyst, the addition to the reaction system of a secondary phosphine oxide represented by the general formula ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and each is substituted or unsubstituted hydrocarbon residue having not more than about 20 carbon atoms, in an amount of 0.2 to 20 moles per gram atom of the cobalt makes it possible to separate the reaction product from the reaction mixture by direct distillation without any such special operation for the catalyst separation as required in the conventional processes. The distillation residue which contains the catalyst can be recycled for the reuse thereof in the carbonylation.

REFERENCES:
patent: 3933919 (1976-01-01), Wilkinson
patent: 3954877 (1976-05-01), Gipson
patent: 4238419 (1980-12-01), Matsumoto et al.

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