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Issue 47, 2015
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Dispersion, solvent and metal effects in the binding of gold cations to alkynyl ligands: implications for Au(I) catalysis

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Abstract

The coordination modes of the [Au(PPh3)]+ cation to metal alkynyl complexes have been investigated. On addition to ruthenium, a vinylidene complex, [Ru(η5-C5H5)(PPh3)2([double bond, length as m-dash]C[double bond, length as m-dash]CPh{AuPPh3})]+, is obtained while addition to a gold(III) compound gives di- and trinuclear gold complexes depending on the conditions employed. In the trinuclear species, a gold(I) cation is sandwiched between two gold(III) alkynyl complexes, suggesting that coordination of multiple C–C triple bonds to gold is facile.

Graphical abstract: Dispersion, solvent and metal effects in the binding of gold cations to alkynyl ligands: implications for Au(i) catalysis

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The article was received on 30 Mar 2015, accepted on 30 Apr 2015 and first published on 15 May 2015


Article type: Communication
DOI: 10.1039/C5CC02629F
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Citation: Chem. Commun., 2015,51, 9702-9705
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    Dispersion, solvent and metal effects in the binding of gold cations to alkynyl ligands: implications for Au(I) catalysis

    L. Ciano, N. Fey, C. J. V. Halliday, J. M. Lynam, L. M. Milner, N. Mistry, N. E. Pridmore, N. S. Townsend and A. C. Whitwood, Chem. Commun., 2015, 51, 9702
    DOI: 10.1039/C5CC02629F

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