Ruthenium and osmium carbene catalysts

Details Ruthenium and osmium carbene catalysts Ruthenium and osmium carbene catalysts

C - Chemistry, Metallurgy

07

F

402/452, 260/429

C07F 15/00 (2006.01) B01J 31/22 (2006.01) C08G 61/02 (2006.01)

Patent

CA 2290953

The invention relates to penta- and hexacoordinated ruthenium and osmium carbene catalysts, in which a sulfur, oxygen or nitrogen atom is attached to the carbene group which is coordinated with the central ruthenium or osmium atom, to their preparation and to their use for synthesizing polymers, for ring-closing metathesis of olefins and for isomerizing olefins.

L'invention concerne des catalyseurs penta- et hexacoordonnés de type carbène de ruthénium et d'osmium, où un atome de soufre, d'oxygène ou d'azote est lié au groupe carbène qui est coordonné avec l'atome central de ruthénium ou d'osmium. L'invention concerne également leur préparation et leur utilisation dans la synthèse de polymères, la métathèse à fermeture du cycle d'oléfines et l'isomérisation d'oléfines.

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