Cationic rhodium bis(dioxaphosphorus heterocycle) complexes and

Details Cationic rhodium bis(dioxaphosphorus heterocycle) complexes and Cationic rhodium bis(dioxaphosphorus heterocycle) complexes and

1990-09-24

1993-01-12

Killos, Paul J.

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

Catalyst or precursor therefor

Organic compound containing

556 13, 556 18, 556136, C07F 1500

Patent

active

051790556

ABSTRACT:
Cationic rhodium bis(dioxaphosphorus heterocycle) complexes of the formula: ##STR1## in which R is preferably ##STR2## or (CH.sub.2).sub.2-5, Y . . . Y is any backbone chain of 2-5 atoms, and L and L' are any stabilizing ligands, used in hydroformylation of olefins to obtain regioselectivity of branched aldehyde products. The formula of the catalyst may include substituents which do not interfere with the branched product regioselectivity of the catalyst as a whole. In the hydroformylation method the olefin is reacted with hydrogen and carbon monoxide in the presence of the catalyst at a temperature and pressure sufficient to permit the desired branched product regioselectivity.

REFERENCES:
patent: 4668651 (1987-05-01), Billig et al.
Organometalics (1988), 7, 33-37; (Bleek et al.).

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