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Título

CO2 activation and catalysis driven by iridium complexes

Autor Fernández-Álvarez, Francisco J. ; Iglesias, Manuel ; Oro, Luis A. ; Polo, Víctor
Fecha de publicación 2013
EditorWiley-VCH
Citación ChemCatChem 5(12): 3481-3494 (2013)
ResumenRecent reports on homogeneous catalytic transformation of carbon dioxide by iridium complexes have prompted us to review the area. Progress on new iridium catalysts for carbon dioxide transformations should take into account the interaction of carbon dioxide with the iridium center, which seems to be governed by the oxidation state of iridium and the nature of the carbon dioxide molecule. Most examples of iridium catalyzed carbon dioxide reductions are based on IrIII centers. These reactions take place through outer-sphere mechanisms, by means of nucleophilic attack on the carbon atom. In all the reported systems, the nucleophile is always a hydrido ligand coordinated to a IrIII center. Future challenges on iridium catalyzed functionalization of carbon dioxide include the development of efficient electrophiles, compatible with the inclusion of appropriate nucleophiles, which would allow the preparation of value-added organic molecules using CO 2 as C1 feedstock. CO2 activation: The interaction of iridium complexes with carbon dioxide and subsequent homogeneous catalytic processes reported so far are reviewed. In general, outer-sphere mechanisms seem to prevail in the catalytic functionalization of carbon dioxide by iridium complexes. Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
URI http://hdl.handle.net/10261/111147
DOI10.1002/cctc.201300559
Identificadoresdoi: 10.1002/cctc.201300559
issn: 1867-3880
e-issn: 1867-3899
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