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Uranium Tetrakis-Aryloxide Derivatives Supported by Tetraazacyclododecane: Synthesis of Air-Stable, Coordinatively-Unsaturated U(IV) and U(V) Complexes.

作者信息

Hümmer Julian, Heinemann Frank W, Meyer Karsten

机构信息

Department of Chemistry and Pharmacy, Inorganic Chemistry, Friedrich-Alexander University Erlangen-Nürnberg , Egerlandstraße 1, 91058Erlangen, Germany.

出版信息

Inorg Chem. 2017 Mar 20;56(6):3201-3206. doi: 10.1021/acs.inorgchem.6b02123. Epub 2016 Nov 16.

DOI:10.1021/acs.inorgchem.6b02123
PMID:28316246
Abstract

We present the synthesis, characterization, and one-electron oxidation of two uranium(IV) complexes, coordinated to the cyclen-anchored tetrakis(aryloxide) ligands tetrakis-hydroxybenzyl-1,4,7,10 tetraazacyclododecane, (ArOH)cyclen; R = Bu, Me. The new uranium(IV) and (V) complexes exhibit an eight-coordinate, tetragonal ligand environment, effecting exceptional stability of the coordinatively unsaturated uranium compounds. Cyclic voltammetry studies reveal redox events ranging from tri- to hexavalent species, covering an electrochemical window of ∼4 V.

摘要

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