Organometallic chemistry in aqua regia: metal and ligand based oxidations of (NHC)AuCl complexes

Volodymyr Levchenko; Cristiano Glessi; Sigurd Øien-Ødegaard; Mats Tilset

doi:10.1039/C9DT04472H

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Organometallic chemistry in aqua regia: metal and ligand based oxidations of (NHC)AuCl complexes†‡

Volodymyr Levchenko,

^a Cristiano Glessi,

^a Sigurd Øien-Ødegaard

^a and Mats Tilset

*^a

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* Corresponding authors

^a Department of Chemistry and Center for Materials Science and Nanotechnology (SMN), Faculty of Mathematics and Natural Sciences, University of Oslo, P.O. Box 1126 Blindern, NO-0318 Oslo, Norway
E-mail: mats.tilset@kjemi.uio.no
Tel: +47-22855502

Abstract

The synthesis and characterization of a series of N-heterocyclic carbene (NHC) complexes of Au(III), (NHC)AuCl₃, is described. High yields are obtained when the corresponding Au(I) species (NHC)AuCl are oxidized with inexpensive aqua regia. The oxidation is in some cases accompanied by substitution and/or anti addition of Cl₂ across the backbone C [double bond, length as m-dash] C bond of unsaturated NHC ligands.

This article is part of the themed collection: Breaking bonds over many timescales: in celebration of Robin Perutz’s 70th birthday

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DOI: https://doi.org/10.1039/C9DT04472H
Article type: Paper
Submitted: 20 nov 2019
Accepted: 17 fev 2020
First published: 18 fev 2020

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Dalton Trans., 2020,49, 3473-3479

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Organometallic chemistry in aqua regia: metal and ligand based oxidations of (NHC)AuCl complexes

V. Levchenko, C. Glessi, S. Øien-Ødegaard and M. Tilset, Dalton Trans., 2020, 49, 3473 DOI: 10.1039/C9DT04472H

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Dalton Transactions

Organometallic chemistry in aqua regia: metal and ligand based oxidations of (NHC)AuCl complexes†‡

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Organometallic chemistry in aqua regia: metal and ligand based oxidations of (NHC)AuCl complexes

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