Revealing the reduction process of Cu(II) by sodium bis(trimethylsilyl)amide

Dali Yang; Hong Yi; Hong Chen; Xiaotian Qi; Yu Lan; Chih-Wen Pao; Jyh-Fu Lee; Heng Zhang; Yi-Hung Chen; Aiwen Lei

doi:10.1039/C9FD00034H

Revealing the reduction process of Cu(ii) by sodium bis(trimethylsilyl)amide†

Dali Yang,^a Hong Yi,^a Hong Chen,^a Xiaotian Qi,^b Yu Lan,

*^bc Chih-Wen Pao,^d Jyh-Fu Lee,^d Heng Zhang,

^a Yi-Hung Chen^a and Aiwen Lei

*^a

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* Corresponding authors

^a Institute for Advanced Studies (IAS), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China
E-mail: aiwenlei@whu.edu.cn

^b School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400030, P. R. China
E-mail: lanyu@cqu.edu.cn

^c College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou 450001, P. R. China

^d National Synchrotron Radiation Research Center, Hsinchu 30076, Taiwan

Abstract

The mechanistic investigation of copper-catalysed transformations has been an important and fundamental task. Herein, we report via XAS and EPR spectroscopy that the sodium bis(trimethylsilyl)amide could reduce Cu(II) to a Cu(I) species serving as an electron donor. XAS spectroscopy demonstrates that the newly formed Cu(I) species is the Cu[N(TMS)₂]₂Na ate complex, in which the nitrogen atoms coordinate with copper linearly.

This article is part of the themed collection: Mechanistic processes in organometallic chemistry

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Revealing the reduction process of Cu(ii) by sodium bis(trimethylsilyl)amide†

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Revealing the reduction process of Cu(II) by sodium bis(trimethylsilyl)amide

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