Process for the catalytic preparation of aldehydes from...

Details Process for the catalytic preparation of aldehydes from... Process for the catalytic preparation of aldehydes from...

C - Chemistry, Metallurgy

07

C

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

Patent

CA 2325676

The invention relates to a process for preparing aldehydes having from 4 to 25 carbon atoms by catalytic hydroformylation of the corresponding olefins, wherein the catalyst used comprises a metal of transition group 8 of the Periodic Table in the presence of a ligand A of the formula I (see formula I) where X = As, Sb or P and R1, R2, R3: are each a substituted or unsubstituted aliphatic, cycloaliphatic or aromatic hydrocarbon radical having from 1 to 50 carbon atoms, where two of the radicals R1, R2, R3 can be covalently linked with the proviso that at least one of the hydrocarbon radicals R1, R2, R3 contains a heteroatom selected from the group consisting of O, S, N, F, Cl, Be, I, Se and Te, and a ligand B of the formula II Image where R4, R5, R6: are each a substituted or unsubstituted aliphatic, cycloaliphatic or aromatic hydrocarbon having from 1 to 50 carbon atoms, where two of the radicals R4, R5 and R6 can be covalently linked.

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