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

Forsyth, Calum and Kerr, William J and Paterson, Laura (2013) Z-selective dimerization of aromatic terminal alkynes catalyzed by an iridium(I) n-heterocyclic carbene-phosphine system. Synlett, 24 (5). pp. 587-590. ISSN 0936-5214

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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.