Catalyst systems based on rhodium complexes containing...

Details Catalyst systems based on rhodium complexes containing... Catalyst systems based on rhodium complexes containing...

B - Operations, Transporting

01

J

B01J 31/24 (2006.01) B01J 31/02 (2006.01) B01J 31/40 (2006.01) B01J 38/00 (2006.01) C07C 45/50 (2006.01) C07C 45/78 (2006.01) C07C 47/02 (2006.01) C07C 47/347 (2006.01) C07C 67/29 (2006.01) C07C 67/313 (2006.01) C07C 69/716 (2006.01) C07F 9/50 (2006.01)

Patent

CA 2204675

The invention relates to new catalyst systems based on water-insoluble rhodium complexes containing diphosphine ligands. The diphosphine ligands are in the form of ammonium carboxylates, sulfonates or phosphonates having a singly or multiply charged diphosphine anion and the corresponding number of ammonium cations as counter ions. The invention further relates to the use of the new catalyst systems in the preparation of aldehydes by reacting olefinically unsaturated compounds with hydrogen and carbon monoxide in a homogeneous phase.

L'invention porte sur de nouveaux systèmes catalytiques, à base de complexes de rhodium insolubles dans l'eau, renfermant des ligands de diphosphine. Ces derniers se trouvent sous forme de sulfonates, phosphonates ou carboxylates d'ammonium, possédant un anion diphosphine à charge simple ou multiple, ainsi que le nombre correspondant de cations ammonium opposés. L'invention porte également sur l'emploi de nouveaux systèmes catalytiques pour la préparation d'aldéhydes, par réaction de composés oléfiniques avec de l'hydrogène et du monoxyde de carbone dans une phase homogène.

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