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Beilstein-Institut, Beilstein Journal of Organic Chemistry, (9), p. 2216-2223, 2013

DOI: 10.3762/bjoc.9.260

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Synthesis, characterization and luminescence studies of gold(I)-NHC amide complexes

Journal article published in 2013 by Adrian Gomez-Suarez, Adrián Gómez-Suárez ORCID, David J. Nelson ORCID, David G. Thompson, David B. Cordes, Duncan Graham, Alexandra M. Z. Slawin ORCID, Steven P. Nolan ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

A flexible, efficient and straightforward methodology for the synthesis of N-heterocyclic carbene gold(I)–amide complexes is reported. Reaction of the versatile building block [Au(OH)(IPr)] (1) (IPr = 1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene) with a series of commercially available (hetero)aromatic amines leads to the synthesis of several [Au(NRR’)(IPr)] complexes in good yields and with water as the sole byproduct. Interestingly, these complexes present luminescence properties. UV–vis and fluorescence measurements have allowed the identification of their excitation and emission wavelengths (λmax). These studies revealed that by selecting the appropriate amine ligand the emission can be easily tuned to achieve a variety of colors, from violet to green.