Catalyst composition containing diphosphines having heterocyclic

Details Catalyst composition containing diphosphines having heterocyclic Catalyst composition containing diphosphines having heterocyclic

1989-08-14

1990-10-02

Garvin, Patrick P.

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

Catalyst or precursor therefor

Organic compound containing

502162, B01J 3104

Patent

active

049607472

ABSTRACT:
Diphosphines having at least one heterocyclic substituent that includes at least one oxygen, sulphur, or nitrogen atom in a five or six membered ring are useful components in palladium catalyst compositions which have been used to polymerize carbon monoxide and olefinically unsaturated compounds. Remaining substituents, if any, are carbocyclic hydrocarbon groups such as phenyls which are preferably substituted with polar groups in a ring position ortho to the phosphorus. The phosphorus atoms in the diphosphine are connected by a bridging group that contains at least one carbon atom.

REFERENCES:
patent: 2495286 (1950-01-01), Brubaker
patent: 3689460 (1972-09-01), Nozaki
patent: 3694412 (1972-09-01), Nozaki
patent: 4474978 (1984-10-01), Drent
patent: 4634793 (1987-01-01), Drent
patent: 4740625 (1988-04-01), Drent
patent: 4806630 (1989-02-01), Drent et al.
patent: 4859764 (1989-08-01), Drent et al.

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