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Issue 28, 2017
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Technetium complexes with arylselenolato and aryltellurolato ligands

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Abstract

Reactions of (NBu4)[TcOCl4] or [TcCl3(PPh3)2(CH3CN)] with in situ-prepared lithium arylselenolates and -tellurolates give (NBu4)[TcVO(ArE)4] (E = Se, Te; Ar = phenyl) and [TcIII(ArE)3(PPh3)(CH3CN)] (E = Se, Te; Ar = phenyl, 2,6-Me2phenyl, mesityl) complexes, respectively. The products contain square-pyramidal (TcV compounds) and trigonal bipyramidal (TcIII complexes) coordinated technetium atoms. Density functional theory calculations indicate that the Tc–chalcogen bonds in the TcIII compounds have a greater bond order than those in the TcV compounds.

Graphical abstract: Technetium complexes with arylselenolato and aryltellurolato ligands

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Supplementary files

Article information


Submitted
05 Jun 2017
Accepted
15 Jun 2017
First published
15 Jun 2017

Dalton Trans., 2017,46, 9280-9286
Article type
Paper

Technetium complexes with arylselenolato and aryltellurolato ligands

B. Noschang Cabral, L. Kirsten, A. Hagenbach, P. C. Piquini, M. Patzschke, E. S. Lang and U. Abram, Dalton Trans., 2017, 46, 9280
DOI: 10.1039/C7DT02041D

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