Hybrid-bridged silsesquioxane as recyclable metathesis catalyst derived from a bis-silylated Hoveyda-type ligand

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

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50 Citations (Scopus)

Abstract

The synthesis of a bis-silylated Hoveyda-type monomer is described as well as the preparation of several organic-inorganic hybrid materials derived from it by a sol-gel process (with and without tetraethyl orthosilicate) and by anchoring to MCM-41. The resulting materials were treated with second generation Grubbs' catalyst to generate second generation Hoveyda-Grubbs-type alkylideneruthenium complexes covalently bonded to the silica matrix. These materials are recyclable catalysts for the ring-closing metathesis reaction of dienes and enynes. © 2006 Wiley-VCH Verlag GmbH & Co. KGaA.
Original languageEnglish
Pages (from-to)751-762
JournalAdvanced Synthesis and Catalysis
Volume348
Issue number6
DOIs
Publication statusPublished - 1 Apr 2006

Keywords

  • Catalyst immobilization
  • Metathesis
  • Organic-inorganic hybrid materials
  • Ruthenium
  • Sol-gel process

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