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

C - Chemistry, Metallurgy

07

C

260/573.2, 260/4

C07C 47/02 (2006.01) B01J 31/18 (2006.01) C07C 45/50 (2006.01) C07F 15/00 (2006.01)

Patent

CA 1133000

ABSTRACT OF DISCLOSURE This invention relates to rhodium compounds having the general formula: HRh (CO)(XR3)n(YR'3)3-n wherein X is phosphorus, arsenic or antimony; Y is arsenic or antimony when X is phosphorus? Y is phosphorus or antimony when X is arsenic, or Y is phosphorus, arsenic or antimony when X is antimony; R and R' are aryl group; and n is an integer of 1 or 2. Further, it relates to the hydroformylation of olefins in the presence of a rhodium catalyst, such as HRh(CO)(PPh3)2(AsPh3) / excess PPh3 and AsPh3 or HRh(CO)(PPh3)(AsPh3)2 / excess PPh3 and AsPh3. An oxo process may be carried out in the presence of a rhodium source and said free mixed ligands. For example, HRh(CO)(PPh3)3 with excess AsPh3/PPh3 may be used.

336906

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