[{Au(NHC)}2(μ-OH)][BF4]: Silver-Free and Acid-Free Catalysts for Water-Inclusive Gold-Mediated Organic Transformations

Adrian Gomez Suarez, Yoshihiro Oonishi, Sebastien Michel Bernard Meiries, Steven Patrick Nolan

Research output: Contribution to journalArticlepeer-review

92 Citations (Scopus)

Abstract

The synthesis of a series of digold hydroxide complexes is reported. These diaurated species, of the formula [{Au(NHC)}2(μ-OH)][BF4] (where NHC = IPrCl, IPr*, IPent), were easily prepared via the cationic species [Au(NHC)(NCCH3)][BF4] in aqueous media. The catalytic activity of these novel complexes was tested and compared to that of the previously reported IPr and SIPr derivatives. These digold hydroxide species are highly active in water-inclusive organic transformations, such as the alkyne and nitrile hydration reactions, and the Meyer–Schuster rearrangement. One salient feature of these systems is the lack of any additive to induce catalytic activity.
Original languageEnglish
Pages (from-to)1106-1111
Number of pages6
JournalOrganometallics
Volume32
Issue number4
Early online date6 Feb 2013
DOIs
Publication statusPublished - 25 Feb 2013

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