Transfer Hydrogenation Catalysis by a N-Heterocyclic Carbene (NHC) Iridium Complex on a Polyoxometalate Platform

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Title: Transfer Hydrogenation Catalysis by a N-Heterocyclic Carbene (NHC) Iridium Complex on a Polyoxometalate Platform
Authors: Modugno, Gloria
Monney, Angèle
Bonchio, Marcella
Albrecht, Martin
Carraro, Mauro
Permanent link: http://hdl.handle.net/10197/6603
Date: May-2014
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].
Funding Details: European Research Council
European Science Foundation
Type of material: Journal Article
Publisher: Wiley
Copyright (published version): 2014 Wiley
Keywords: Iridium;Polyoxometalates;Transfer hydrogenation;Carbene ligands;Nanoscaffolds
DOI: 10.1002/ejic.201402020
Language: en
Status of Item: Peer reviewed
Appears in Collections:Chemistry Research Collection

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