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Facile Oxygen Atom Insertion into Unactivated C(sp3)–C(sp2) Single Bonds in Reactions of Iridium(III) Complexes with O2

descriptionPublicationkeyboard_double_arrow_right Article 11 Jan 2013 Spain English Publisher:American Chemical Society (ACS)Journal:Organometallics, volume 32, pages 714-717 (issn: 0276-7333, eissn: 1520-6041,

Authors: Cristóbal Gasga, Crispín Silvano; Álvarez González, Eleuterio; Paneque Sosa, Margarita; López Poveda, Manuel;

doi: 10.1021/om300890d

handle: 10261/97707

Facile Oxygen Atom Insertion into Unactivated C(sp3)–C(sp2) Single Bonds in Reactions of Iridium(III) Complexes with O2

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Abstract

The Ir(III) pyridylidene (3) (Tp Me2 = hydrotris(3,5-dimethylpyrazolyl)borate) reacts with oxygen (air), under mild conditions, to afford a bicyclic ether-semiaminal species. The new structure derives formally from two oxidative events. One is dehydrogenative in nature (loss of 2 H) and the other consists in the insertion of an oxygen atom into a non-activated benzylic C ―C bond. The reaction has been extended to a related iridacycle that contains a pyrazol co-ligand instead of the pyridylidene. Nowadays, there is increasing interest in the use of O 2 as a

Peer reviewed

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Spain

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Spanish National Research Council
Spain
University of Seville
Spain

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