Journal
CHEMISTRY-AN ASIAN JOURNAL
Volume 12, Issue 4, Pages 459-464Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asia.201601583
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Funding
- Conseil Regional de Bourgogne
- CMCU (Comite Mixte pour la Cooperation Universitaire Franco-Tunisien) [13G1209]
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A method that allows hindered ortho-substituted aryl iodides to be efficiently coupled to phenylboronic acid using a gold-catalyzed C-C bond formation is presented. The use of a molecularly-defined dinuclear gold chloride catalytic precursor that is stabilized by a new tetradentate (N,N')-diamino-(P,P')-diphosphino ferrocene hybrid ligand in a Suzuki-type reaction is described for the first time. Electron-rich isopropyl groups on phosphorus were found essen-tial for a superior activity, while the performances of a set of analogous gold dinuclear complexes that were fully characterized by multinuclear NMR spectroscopy and XRD analysis, were investigated. Therefore, arylation of para and orthosubstituted iodoarenes bearing electron-rich, electron-poor functional groups, and even hindered polycyclic aromatic compounds is described.
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