Cross-coupling of arene–gold(III) complexes

The reactivity of electron-deficient arene–gold(III) complexes toward nucleophilic aromatic and heteroaromatic counterparts has been studied. 1-Methylindole proved to be the best reaction partner while trimethoxybenzenes did not react. The ancillary ligand on gold also influenced the reactivity in t...

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Bibliographic Details
Published in:Tetrahedron 2013-07, Vol.69 (27-28), p.5751-5757
Main Authors: Hofer, Manuel, Nevado, Cristina
Format: Article
Language:English
Subjects:
Arenes
Cross coupling
Gold
Iodides
Ligands
Oxidants
Oxidation
Oxidizing agents
Tetrahedrons
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Summary:The reactivity of electron-deficient arene–gold(III) complexes toward nucleophilic aromatic and heteroaromatic counterparts has been studied. 1-Methylindole proved to be the best reaction partner while trimethoxybenzenes did not react. The ancillary ligand on gold also influenced the reactivity in the order PPh3>PtBu3>IPr. An oxidative cross-coupling starting from the corresponding gold(I) complexes in presence of hypervalent iodide oxidants was also studied. [Display omitted]
ISSN:0040-4020
1464-5416
DOI:10.1016/j.tet.2013.04.029