Synthesis, characterization and luminescence studies of gold(I)-NHC amide complexes
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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.
Gómez-Suárez , A , Nelson , D J , Thompson , D G , Cordes , D B , Graham , D , Slawin , A M Z & Nolan , S P 2013 , ' Synthesis, characterization and luminescence studies of gold(I)-NHC amide complexes ' Beilstein Journal of Organic Chemistry , vol. 9 , pp. 2216-2223 . DOI: 10.3762/bjoc.9.260
Beilstein Journal of Organic Chemistry
© 2013 Gómez-Suárez et al; licensee Beilstein-Institut. This is an Open Access article under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The license is subject to the Beilstein Journal of Organic Chemistry terms and conditions: (http://www.beilstein-journals.org/bjoc)
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