Hydroformylation of olefins

Details Hydroformylation of olefins Hydroformylation of olefins

1974-06-07

1976-05-04

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260632HF, 252431R, 25231C, 252431P, C07C 4502, C07C 2916

Patent

active

039548775

ABSTRACT:
In the hydroformylation, or oxo, reaction, where olefins are reacted with carbon monoxide and hydrogen in the presence of a Group VIII metal complex catalyst to form aldehydes and alcohols, the catalyst can be advantageously modified by complexing it with an organic compound of pentavalent phosphorus, arsenic or antimony, as a ligand. When these compounds are used as the catalyst modifier, or ligand, in the reaction, a stable catalyst results which allows the oxo alcohols and aldehydes to be readily recovered from the reaction product without a special treatment to remove the catalyst metal. Furthermore, the catalyst-containing residues can be recycled for subsequent use in the hydroformylation reaction without a substantial impairment of the yields from these reactions. The ligand is incorporated into the catalyst complex in the proportion of about 0.5 to about 10 gram mols ligand per gram atom of the metal.

REFERENCES:
patent: 3488334 (1970-01-01), Bayer et al.
patent: 3574766 (1971-04-01), Meyer et al.
patent: 3640898 (1972-02-01), Chung Liong So

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