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Issue 27, 2018
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Synthesis of first row transition metal selenomaltol complexes

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Abstract

We report an efficient, one-step synthesis of the chelator 3-hydroxy-2-methyl-4-selenopyrone (selenomaltol). Complexes of selenomaltol with Fe(III), Ni(II), Cu(II) and Zn(II) have been prepared and studied by NMR, X-ray crystallography, cyclic voltammetry, EPR and electronic absorption. The Ni(II) and Cu(II) complexes show chemically reversible oxidations which are suggested to be ligand-based. Nuclear independent chemical shifts (NICS) analysis is used to compare aromaticity of the heterocyclic rings of selenomaltol and its chelates. The compounds described here should significantly expand the scope and utility of unusual O,Se-donor chelates.

Graphical abstract: Synthesis of first row transition metal selenomaltol complexes

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Publication details

The article was received on 26 Mar 2018, accepted on 15 Jun 2018 and first published on 15 Jun 2018


Article type: Paper
DOI: 10.1039/C8DT01170B
Citation: Dalton Trans., 2018,47, 9030-9037
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    Synthesis of first row transition metal selenomaltol complexes

    M. T. Spiegel, A. Hoogerbrugge, S. Truksa, A. G. Smith, K. L. Shuford, K. K. Klausmeyer and P. J. Farmer, Dalton Trans., 2018, 47, 9030
    DOI: 10.1039/C8DT01170B

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