Identification of the U(V) complex (C5Me5)2UVI(NSiMe3) in the reaction of (C5Me5)2UIIII(THF) with N3SiMe3

Justin C. Wedal; Joseph W. Ziller; William J. Evans

doi:10.1039/D2DT01926D

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Identification of the U(v) complex (C₅Me₅)₂U^VI(NSiMe₃) in the reaction of (C₅Me₅)₂U^IIII(THF) with N₃SiMe₃†

Justin C. Wedal,

^a Joseph W. Ziller

^a and William J. Evans

*^a

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* Corresponding authors

^a Department of Chemistry, University of California, Irvine, California 92697, USA
E-mail: wevans@uci.edu

Abstract

The U(V) imido complex (C₅Me₅)₂U^VI( [double bond, length as m-dash] NSiMe₃), 1, was crystallographically characterized from the reaction of (C₅Me₅)₂U^IIII(THF) with N₃SiMe₃ which demonstrates that it can be an intermediate in the reaction which ultimately forms (C₅Me₅)₂U^VI(NSiMe₃)₂ and (C₅Me₅)₂U^IVI₂. U(V) intermediates have been proposed in such reactions, but have not been previously observed. The direct observation of 1 provides insight into the reaction mechanisms of U(III) compounds with azide reagents.

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Article information

DOI: https://doi.org/10.1039/D2DT01926D
Article type: Communication
Submitted: 17 Jun 2022
Accepted: 15 Aug 2022
First published: 15 Aug 2022

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Dalton Trans., 2022,51, 12804-12807

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Identification of the U(V) complex (C₅Me₅)₂U^VI(NSiMe₃) in the reaction of (C₅Me₅)₂U^IIII(THF) with N₃SiMe₃

J. C. Wedal, J. W. Ziller and W. J. Evans, Dalton Trans., 2022, 51, 12804 DOI: 10.1039/D2DT01926D

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Dalton Transactions