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Issue 42, 2016
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Homolytic cleavage of the O–Cu(II) bond: XAFS and EPR spectroscopy evidence for one electron reduction of Cu(II) to Cu(I)

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Abstract

The investigation into the active copper(I) catalysts from copper(II) precursors has become a fundamental and important task in copper catalysis. In this work, we demonstrate that the tBuO anion serves not only as a base but also as a mediator to promote the reduction of Cu(II) to Cu(I) in copper catalysis. XAFS and EPR spectroscopy evidence the [Cu(OtBu)3] ate complex as the key intermediate which undergoes homolytic-cleavage of the O–Cu(II) bond generating [Cu(OtBu)2] ate complex.

Graphical abstract: Homolytic cleavage of the O–Cu(ii) bond: XAFS and EPR spectroscopy evidence for one electron reduction of Cu(ii) to Cu(i)

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Publication details

The article was received on 16 Feb 2016, accepted on 26 Apr 2016 and first published on 26 Apr 2016


Article type: Communication
DOI: 10.1039/C6CC01413E
Citation: Chem. Commun., 2016,52, 6914-6917
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    Homolytic cleavage of the O–Cu(II) bond: XAFS and EPR spectroscopy evidence for one electron reduction of Cu(II) to Cu(I)

    H. Yi, G. Zhang, J. Xin, Y. Deng, J. T. Miller, A. J. Kropf, E. E. Bunel, X. Qi, Y. Lan, J. Lee and A. Lei, Chem. Commun., 2016, 52, 6914
    DOI: 10.1039/C6CC01413E

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