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Synthesis and characterization of a gold(I) bis(triazolylidene) complex featuring a large [(TpMe2)2K] anion

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Abstract

In the quest of heteroleptic gold(I) complexes containing triazolylidenes (MIC) and TpMe2 ligands, we discovered that reaction of the MIC–Au–I complex 2 with potassium hydrotris-(3,5-dimethyl-1-pyrazolil) borate (KTpMe2) produces an unexpected bis(triazolylidene) gold(I) complex featuring a large [(TpMe2)2K] anion (3). An optimized synthesis was achieved by reacting a preformed bis(triazolylidene)Au(I) complex (2a) with two equivalents of KTpMe2 (81%). Full characterization and preliminary catalytic results demonstrate the high performance of complex 3 in the formation of several oxazoline derivatives.

Graphical abstract: Synthesis and characterization of a gold(i) bis(triazolylidene) complex featuring a large [(TpMe2)2K] anion

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Publication details

The article was received on 03 Jul 2018, accepted on 26 Jul 2018 and first published on 01 Aug 2018


Article type: Letter
DOI: 10.1039/C8NJ03318H
Citation: New J. Chem., 2018, Advance Article
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    Synthesis and characterization of a gold(I) bis(triazolylidene) complex featuring a large [(TpMe2)2K] anion

    A. Priante-Flores, V. Salazar-Pereda, A. L. Rheingold and D. Mendoza-Espinosa, New J. Chem., 2018, Advance Article , DOI: 10.1039/C8NJ03318H

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