Issue 28, 2017

Technetium complexes with arylselenolato and aryltellurolato ligands

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

Supplementary files

Article information

Article type
Paper
Submitted
05 Jun 2017
Accepted
15 Jun 2017
First published
15 Jun 2017

Dalton Trans., 2017,46, 9280-9286

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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