Ruthenium and osmium catalysts

C - Chemistry – Metallurgy – 07 – F

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402/452, 260/429

C07F 15/00 (2006.01) B01J 31/22 (2006.01) B01J 31/24 (2006.01) C08F 32/00 (2006.01) C08G 61/08 (2006.01)

Patent

CA 2289709

The invention relates to new ruthenium and osmium carbene catalysts with bridged e- donor ligands coordinated on the metal, to their preparation and to their use for synthesizing polymers, for ring-closing metathesis of olefins and for isomerizing olefins.

L'invention concerne de nouveaux catalyseurs de carbène d'osmium et de ruthénium, avec des ligands donneurs d'électrons pontés coordonnés sur le métal. L'invention concerne la préparation de ces catalyseurs et leur utilisation pour la synthèse des polymères, pour la métathèse à fermeture de chaîne des oléfines et pour l'isomérisation des oléfines.

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