Z-selective dimerization of aromatic terminal alkynes catalyzed by an iridium(I) n-heterocyclic carbene-phosphine system

Calum Forsyth, William J Kerr, Laura Paterson

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Abstract

The development of an iridium-catalyzed regio- and stereoselective dimerization process has enabled the formation of (Z)-enyne products. More specifically, low catalyst loadings of an iridium(I) complex, featuring a bulky N-heterocyclic carbene-phosphine ligand combination, has been successfully employed in this selective head-to-head dimerization of terminal alkynes via C-H activation.
Original languageEnglish
Pages (from-to)587-590
Number of pages4
JournalSynlett
Volume24
Issue number5
Early online date18 Feb 2013
DOIs
Publication statusPublished - 2013

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Keywords

  • alkynes
  • enynes
  • dimerization
  • C-H activation
  • iridium

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