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- Title
Transfer Hydrogenation Catalysis by a N-Heterocyclic Carbene Iridium Complex on a Polyoxometalate Platform.
- Authors
Modugno, Gloria; Monney, Angele; Bonchio, Marcella; Albrecht, Martin; Carraro, Mauro
- Abstract
A divacant Keggin polyanion has been decorated with a N-heterocyclic carbene (NHC) iridium(I) organometallic complex to provide a molecular model of an Ir-based supported catalyst. The characterization of the hybrid compound has been performed by multinuclear NMR spectroscopy, infrared spectroscopy, cyclic voltammetry, and mass spectroscopy, and the results are in agreement with a bisfunctionalization of the polyoxometalate scaffold. The resulting supported homogeneous complex has been successfully used to catalyze the transfer hydrogenation from iPrOH to benzophenone [with a turnover number (TON) of 680 and a turnover frequency (TOF) of up to 540 h-1].
- Subjects
TRANSFER hydrogenation; CATALYSIS; CARBENES; IRIDIUM; POLYOXOMETALATES; NUCLEAR magnetic resonance; CYCLIC voltammetry; BENZOPHENONES
- Publication
European Journal of Inorganic Chemistry, 2014, Vol 2014, Issue 14, p2356
- ISSN
1434-1948
- Publication type
Article
- DOI
10.1002/ejic.201402020