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From the same journal

A polyoxometallate-tethered Ru complex as a catalyst in solventless phenyl acetylene oligomerisation

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Published copy (DOI)

Author(s)

  • Lee D. Dingwall
  • Charlotte M. Corcoran
  • Adam F. Lee
  • Luca Olivi
  • Jason M. Lynam
  • Karen Wilson

Department/unit(s)

Publication details

JournalCatalysis Communications
DatePublished - 10 Oct 2008
Issue number1
Volume10
Number of pages4
Pages (from-to)53-56
Original languageEnglish

Abstract

A novel compound comprising a Ru-tethered polyoxometallate Keggin anion of formula [HNEt3](+)-[(Ru{eta(5)-C5H5}{PPh3}(2))(2)(PW12O40)](-) has been synthesised that shows high activity and selectivity in alkyne oligomerisation. In situ IR binding studies using CO confirmed the accessibility of the Ru centre for catalysis. Phenyl acetylene was successfully dimerised under a heterogeneous catalytic regime. Selectivity towards the (E)-enyne, not found in the homogeneous Ru(eta(5)-C5H5)(PPh3)(2)Cl analogue, was achieved while retaining high a turnover frequency of 225 h(-1). (C) 2008 Elsevier B.V. All rights reserved.

    Research areas

  • Ruthenium, Polyoxometallate, Alkyne oligomerisation, ORGANOMETALLIC RUTHENIUM(II) COMPLEXES, TERMINAL ALKYNES, MOLECULAR-OXYGEN, DIMERIZATION, ACID, ACTIVATION, REACTIVITY, CHEMISTRY, MECHANISM, OXIDATION

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