Low pressure rhodium catalyzed hydroformylation of olefins

Details Low pressure rhodium catalyzed hydroformylation of olefins Low pressure rhodium catalyzed hydroformylation of olefins

C - Chemistry, Metallurgy

07

C

260/567.1, 260/5

C07C 45/50 (2006.01) C07C 45/49 (2006.01) C07C 47/02 (2006.01) C07C 47/28 (2006.01)

Patent

CA 1305491

Low Pressure Rhodium Catalyzed Hydroformylation of Olefins Abstract The hydroformylation of olefins with rhodium complex catalysts is described. The catalysts employed comprise a rhodium complex with at least one phosphine having a specified structure, e.g., tris(benzyl)phosphine. Preferred phosphines have a pKa in the range of about 3.5 up to 5.3 and a cone angle in the range of about 160 up to 195°. Hydroformylation reactions at relatively low temperatures and pressure and yet with high rates of reaction and high selectivity to aldehyde product are obtained by the practice of the present invention.

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