Hydroformylation process

Details Hydroformylation process Hydroformylation process

1977-08-19

1979-10-02

Lone, Werren B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 4510

Patent

active

041698614

ABSTRACT:
This invention provides a process for achieving straight chain aldehyde formation from alpha-olefins with improved selectivity efficiency under hydroformylation conditions. The improved hydroformylation results are obtained under mild conditions of temperature and pressure in the presence of a stabilized catalyst complex of rhodium metal, bidentate ligand and monodentate ligand represented by the formula: ##STR1## Illustrative of a preferred bidentate ligand L is 1,1'-bis-(diphenylphosphino)ferrocene. Illustrative of a preferred monodentate ligand L' is diphenylethylphosphine. It is an essential feature of the invention process that the monodentate ligand is provided in a molar excess with respect to the rhodium metal in the stabilized catalyst complex.

REFERENCES:
patent: 3239566 (1966-03-01), Slaugh et al.
patent: 3527809 (1970-08-01), Pruett et al.
patent: 3939188 (1976-02-01), McVicker

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