Process for the production of aldehydes by hydroformylation

Details Process for the production of aldehydes by hydroformylation Process for the production of aldehydes by hydroformylation

1979-09-07

1981-03-31

Lone, Werren B.

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

Organic compounds

Oxygen containing

C07C 4550

Patent

active

042595304

ABSTRACT:
In an oxo process wherein an olefin is caused to react with carbon monoxide and hydrogen, a rhodium catalyst is provided by carrying out the hydroformylation in the presence of a rhodium source and free mixed ligands comprising a tertiary organo phosphorus and tertiary organo arsenic in excess of the quantity required for coordination to the rhodium atom. For example, HRh(CO)(PPh.sub.3).sub.3 with excess AsPh.sub.3 /PPh.sub.3 may be used to give a high reaction rate and good selectivity to n-aldehyde.

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