Issue 30, 2011
From the journal:

Chemical Communications

Unexpected formation of a trinuclear complex containing a Ta(iv)–Ta(iv) bond in the reactions of ButN[double bond, length as m-dash]Ta(NMe2)3 with silanes†

Shu-Jian Chen,a   Juan Li,bc   Brenda A. Dougan,a   Carlos A. Steren,a   Xiaoping Wang,d   Xue-Tai Chen,e   Zhenyang Lin*b  and  Zi-Ling Xue*a  

* Corresponding authors

a Department of Chemistry, University of Tennessee, Knoxville, USA
E-mail: xue@utk.edu
Fax: +18659743454

b Department of Chemistry, The Hong Kong University of Science and Technology, Hong Kong, China
E-mail: chzlin@ust.hk

c Department of Chemistry, Jinan University, Guangzhou, China

d Neutron Scattering Science Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA

e State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China

Abstract

A new trinuclear species containing a Ta(IV)–Ta(IV) bond, Ta3(μ-H)(μ-NMe2)(μ[double bond, length as m-dash]NBut)2([double bond, length as m-dash]NBut)(NMe2)5, has been formed by reductive elimination of H2. Ta2H2(μ-NMe2)2(NMe2)2([double bond, length as m-dash]NBut)2 has also been isolated. O2 oxidizes the Ta(IV)–Ta(IV) bond to yield Ta3(μ3-O)(H)(μ[double bond, length as m-dash]NBut)(μ-NMe2)2(NMe2)4([double bond, length as m-dash]NBut)2 under ligand exchange. Delocalization of d electrons is discussed.

Graphical abstract: Unexpected formation of a trinuclear complex containing a Ta(iv)–Ta(iv) bond in the reactions of ButN [[double bond, length as m-dash]] Ta(NMe2)3 with silanes

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Article information

DOI
https://doi.org/10.1039/C1CC12837J
Article type
Communication
Submitted
14 May 2011
Accepted
06 Jun 2011
First published
01 Jul 2011

Chem. Commun., 2011,47, 8685-8687

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Unexpected formation of a trinuclear complex containing a Ta(IV)–Ta(IV) bond in the reactions of ButN[double bond, length as m-dash]Ta(NMe2)3 with silanes

S. Chen, J. Li, B. A. Dougan, C. A. Steren, X. Wang, X. Chen, Z. Lin and Z. Xue, Chem. Commun., 2011, 47, 8685 DOI: 10.1039/C1CC12837J

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