New reactions of C-C bond cleavage and formation catalysed by silica-supported tantalum and tungsten hydrides

Olivier Maury, Guillaume Saggio, Albert Theolier, Mostafa Taoufik, Véronique Vidal, Jean Thivolle-Cazat, Jean-Marie Maurice Basset

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Silica-supported tantalum and tungsten hydrides present unusual properties in the activation of alkanes. They activate the C-H bonds of cycloalkanes to form the corresponding surface metal-cycloalkyl complexes. They catalyse the metathesis reaction of alkanes which is an unprecedented process affording the formation of higher and lower homologues. They also catalyse the hydrogenolysis of alkanes and especially ethane which cannot be cleaved by the corresponding group-4 metal hydrides.

Original languageEnglish (US)
Pages (from-to)583-587
Number of pages5
JournalComptes Rendus de l'Academie des Sciences - Series IIc: Chemistry
Volume3
Issue number7
DOIs
StatePublished - Oct 1 2000

Keywords

  • Activation de liaison C-H
  • Alcanes
  • Alkane metathesis
  • Alkanes
  • C-H bond activation
  • Hydrogenolysis
  • Hydrogénolyse
  • Hydrure de tantale
  • Hydrure de tungstène
  • Métathèse des alcanes
  • Tantalum hydride
  • Tungsten hydride

ASJC Scopus subject areas

  • Chemistry(all)

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