Lithium p-diarylphosphinobenzenesulfonates, process for...

C - Chemistry – Metallurgy – 07 – F

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C07F 9/50 (2006.01) B01J 31/22 (2006.01) B01J 31/24 (2006.01) C07C 45/49 (2006.01) C07C 45/50 (2006.01) C07C 47/21 (2006.01) B01J 23/46 (2006.01)

Patent

CA 2447730

Lithium p-diarylphosphinobenzenesulfonates represented by the general formula (I); a process for preparing the same; a group VIII metal complex composed of a group VIII metal compound and the above lithium p- diarylphosphinobenzenesulfonate coordinating thereto and a process for hydroformylation with the complex (I) wherein R1 and R2 are each optionally substituted aryl. Hydroformylation with the complex permits easy and industrially advantageous production of aldehydes.

La présente invention se rapporte à des p-diarylphosphinobenzènesulfonates de lithium représentés par la formule générale (I) à un procédé de préparation de ces composés; à un complexe métallique du groupe VIII composé d'un élément métallique du groupe VIII et du p-diarylphosphinobenzènesulfonate de lithium décrit ci-dessus et associé audit élément; ainsi qu'à un processus d'hydroformylation avec le complexe de la formule (I) dans laquelle R?1¿ et R?2¿ sont chacun aryle éventuellement substitué. Cette hydroformylation avec le complexe permet une production aisée et industriellement avantageuse d'aldéhydes.

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