Catalyst system for hydroformylation of olefins

Details Catalyst system for hydroformylation of olefins Catalyst system for hydroformylation of olefins

1981-05-07

1983-01-25

Demers, Arthur P.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252431R, 252431P, 568454, 568909, B01J 3118, B01J 3112, B01J 3121

Patent

active

043702589

ABSTRACT:
An improved hydroformylation process for preparing aldehydes by reacting olefins with synthesis gas (H.sub.2 and CO) under heating and pressure is disclosed. The hydroformylation is carried out in the presence of a platinum catalyst, and assistant composed of a halide of a metal of the group IVb of the Periodic Table and a reaction promotor composed of a specific bidentate ligand of the formula R.sub.2 X-Z-Y-Z-X-R'.sub.2. In this reaction, the platinum catalyst exerts a high activity, and an aldehyde mixture containing a linear isomer at a very high ratio of content is obtained as a product.

REFERENCES:
patent: 3632827 (1972-01-01), Smith
patent: 3981925 (1976-09-01), Schwager et al.
patent: 3996293 (1976-12-01), Knifton et al.
patent: 4020011 (1977-04-01), Nishikawa et al.
patent: 4256616 (1981-03-01), Hatanaka et al.

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