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Issue 26, 2013
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Deactivation of gold(I) catalysts in the presence of thiols and amines – characterisation and catalysis

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Abstract

Thiols and amines, which are common heteroatom nucleophiles in gold-catalysed reactions, are known to dampen the reactivity of gold catalysts. In this article, the identity and activity of gold(I) catalysts in the presence of thiols and amines is investigated. In the presence of thioacid, thiophenol and thiol, digold with bridging thiolate complexes [{Au(L)}2(μ-SR)][SbF6] are formed and have been fully characterised by NMR and X-ray crystallography. In the presence of amines and anilines, complexes [LAu-NH2R][SbF6] are formed instead. All new isolated gold complexes were investigated for their catalytic activity in order to compare the level of deactivation in each species.

Graphical abstract: Deactivation of gold(i) catalysts in the presence of thiols and amines – characterisation and catalysis

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Publication details

The article was received on 08 Mar 2013, accepted on 04 May 2013 and first published on 09 May 2013


Article type: Paper
DOI: 10.1039/C3DT50653C
Citation: Dalton Trans., 2013,42, 9645-9653
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    Deactivation of gold(I) catalysts in the presence of thiols and amines – characterisation and catalysis

    P. C. Young, S. L. J. Green, G. M. Rosair and A. Lee, Dalton Trans., 2013, 42, 9645
    DOI: 10.1039/C3DT50653C

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