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Gold-alkynyls in catalysis: Alkyne activation, gold cumulenes and nuclearity

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JournalDalton Transactions
DateAccepted/In press - 30 Jun 2016
DateE-pub ahead of print (current) - 14 Jul 2016
Issue number32
Volume45
Number of pages16
Pages (from-to)12611-12626
Early online date14/07/16
Original languageEnglish

Abstract

The use of cationic gold(i) species in the activation of substrates containing CC bonds has become a valuable tool for synthetic chemists. Despite the seemingly simple label of 'alkyne activation', numerous patterns of reactivity and product structure are observed in systems employing related substrates and catalysts. The complications of mechanistic determination are compounded as the number of implicated gold(i) centres involved in catalysis increases and debate about the bonding in proposed intermediates clouds the number and importance of potential reaction pathways. This perspective aims to illustrate some of the principles underpinning gold-alkynyl interactions whilst highlighting some of the contentious areas in the field and offering some insight into other, often ignored, mechanistic possibilities based on recent findings.

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© The Royal Society of Chemistry 2016. Uploaded in accordance with the publisher’s self-archiving policy. Further copying may not be permitted; contact the publisher for details. Embargo period: 12 months from acceptance.

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