Iminosemiquinone radical ligands enable access to a well-defined redox-active CuII–CF3 complex

Jérémy Jacquet; Elise Salanouve; Maylis Orio; Hervé Vezin; Sébastien Blanchard; Etienne Derat; Marine Desage-El Murr; Louis Fensterbank

doi:10.1039/C4CC04487H

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Iminosemiquinone radical ligands enable access to a well-defined redox-active Cu^II–CF₃ complex†‡

Jérémy Jacquet,^a Elise Salanouve,^a Maylis Orio,^b Hervé Vezin,^b Sébastien Blanchard,^a Etienne Derat,^a Marine Desage-El Murr*^a and Louis Fensterbank*^a

Author affiliations

* Corresponding authors

^a UPMC, CNRS, UMR 8232, Institut Parisien de Chimie Moléculaire (IPCM), Paris, France
E-mail: marine.desage-el_murr@upmc.fr, louis.fensterbank@upmc.fr

^b Laboratoire de Spectrochimie Infrarouge et Raman, UMR CNRS 8516 Bâtiment C5, 59655 Villeneuve d'Ascq Cedex, France

Abstract

The reaction of a copper complex bearing iminosemiquinone ligands with a CF₃⁺ source provides an unprecedented Cu^II–CF₃ complex through ligand-based oxidation. Reactivity of this complex leads to nucleophilic trifluoromethylation of the ligand, suggesting an electronic interplay that results in a formal umpolung of the initial CF₃⁺.

This article is part of the themed collection: Non-Innocent Ligands

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Article information

DOI: https://doi.org/10.1039/C4CC04487H
Article type: Communication
Submitted: 12 Jun 2014
Accepted: 17 Jul 2014
First published: 17 Jul 2014

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Chem. Commun., 2014,50, 10394-10397

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Iminosemiquinone radical ligands enable access to a well-defined redox-active Cu^II–CF₃ complex

J. Jacquet, E. Salanouve, M. Orio, H. Vezin, S. Blanchard, E. Derat, M. Desage-El Murr and L. Fensterbank, Chem. Commun., 2014, 50, 10394 DOI: 10.1039/C4CC04487H

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