Improved metal-ligand complex catalyzed processes

C - Chemistry – Metallurgy – 07 – C

Patent

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Details

C07C 45/50 (2006.01) B01J 31/02 (2006.01) B01J 31/18 (2006.01) C07B 41/00 (2006.01) C07B 43/00 (2006.01) C07C 47/00 (2006.01) C07C 67/293 (2006.01) C07C 67/347 (2006.01) C07C 69/716 (2006.01) C07F 9/02 (2006.01)

Patent

CA 2230561

This invention relates to a process which comprises reacting one or more reactants in the presence of a metal-organopolyphosphite ligand complex catalyst and optionally free organopolyphosphite ligand to produce a reaction product fluid comprising one or more products, wherein said process is conducted at a carbon monoxide partial pressure such that reaction rate increases as carbon monoxide partial pressure decreases and reaction rate decreases as carbon monoxide partial pressure increases and which is sufficient to prevent and/or lessen deactivation of the metal- organopolyphosphite ligand complex catalyst.

L'invention concerne un procédé qui consiste à faire réagir un ou plusieurs réactifs en présence d'un catalyseur constitué d'un complexe métal-ligand organopolyphosphite et éventuellement d'un ligand organopolyphosphite libre, pour produire un fluide produit par une réaction comprenant un ou plusieurs produits. Ledit procédé est mené sous une pression partielle d'oxyde de carbone dans une plage où la vitesse de réaction augmente à mesure que la pression partielle en oxyde de carbone diminue et où cette vitesse de réaction diminue à mesure que la pression partielle en oxyde de carbone augmente. Ces conditions permettent d'empêcher et/ou de diminuer la désactivation du catalyseur constitué d'un complexe métal-ligand organopolyphosphite.

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