Reactivation of hydroformylation catalysts

Details Reactivation of hydroformylation catalysts Reactivation of hydroformylation catalysts

1992-01-24

1993-08-17

Cintins, Marianne M.

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

Organic compounds

Oxygen containing

502 28, 556 21, B01J 3862, C07C 4549

Patent

active

052371069

ABSTRACT:
A process for improving the catalytic activity of a partially deactivated solubilized rhodium-tertiary organophosphine complex hydroformylation catalyst by treating it with propargyl alcohol and a carboxylic acid.

REFERENCES:
patent: 3555098 (1971-01-01), Olivier et al.
patent: 4292196 (1981-09-01), Homeier et al.
patent: 4845306 (1989-07-01), Puckette
patent: 4861918 (1989-08-01), Miller et al.
patent: 4929767 (1990-05-01), Miller et al.
patent: 5183943 (1993-02-01), Bryant et al.
"Hydroformylation of Alkanes by Use of Rhodium Complex Catalysts" by Evans et al in the J. Chem. Soc. A, 1968 pp. 3133-3142.
"Reactivation of Rhodium Hydroformylation Catalysts by Treatment with Aqueous Sodium Bicarbonate" by Anonymous in Research Disclosure, Nov. 211, (1981), p. 393, #21103.
U.S. appln. Ser. No. 670,874 filed Mar. 18, 1991 Reactivation of Hydroformylation Catalysts.

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