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Issue 46, 2012
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Synthesis of new bulky bis(pyrazolyl)methane carboxylate (heteroscorpionate) ligands and their complexes with iron, manganese and nickel

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Abstract

Three new sterically demanding ligands based on the bispyrazolylacetic acid motif have been prepared and complexes with Fe(II), Fe(III), Ni(II) and Mn(II) have been synthesised and characterised. Single crystal X-ray structures are included for two of the ligands in the protonated form and ten other complexes. Additionally, a new general route to amide derivatives has been established, a range of amide derivatives synthesised and their coordination chemistry investigated. Only one metal complex was synthesised from the amide ligands, and was bound via the hydroxylamine groups in preference to the pyrazole and carboxylate donor set.

Graphical abstract: Synthesis of new bulky bis(pyrazolyl)methane carboxylate (heteroscorpionate) ligands and their complexes with iron, manganese and nickel

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Publication details

The article was received on 14 Aug 2012, accepted on 28 Sep 2012 and first published on 04 Oct 2012


Article type: Paper
DOI: 10.1039/C2DT31859H
Citation: Dalton Trans., 2012,41, 14068-14086
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    Synthesis of new bulky bis(pyrazolyl)methane carboxylate (heteroscorpionate) ligands and their complexes with iron, manganese and nickel

    M. W. Jones, J. E. Baldwin, A. R. Cowley, J. R. Dilworth, A. Karpov, N. Smiljanic, A. L. Thompson and R. M. Adlington, Dalton Trans., 2012, 41, 14068
    DOI: 10.1039/C2DT31859H

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