Hybrid organic-inorganic materials derived from a monosilylated Hoveyda-type ligand as recyclable diene and enyne metathesis catalysts

Xavier Elias, Roser Pleixats, Michel Wong Chi Man, Joël J.E. Moreau

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Resum

The synthesis of a monosilylated Hoveydatype monomer is described as well as the preparation of several organic-inorganic hybrid materials derived from it by sol-gel processes and by anchoring to commercial silica gel and MCM-41. The resulting materials were treated with first and/or second generation Grubbs' catalyst to generate HoveydaGrubbs' type alkylidene ruthenium complexes covalently bonded to the silica matrix. These materials are efficient recyclable catalysts for the ring-closing metathesis reaction of dienes and enynes, even for the formation of tri- and tetrasubstituted olefins. © 2007 Wiley-VCH Verlag GmbH & Co. KGaA.
Idioma originalAnglès
Pàgines (de-a)1701-1713
RevistaAdvanced Synthesis and Catalysis
Volum349
Número10
DOIs
Estat de la publicacióPublicada - 1 de jul. 2007

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