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Issue 11, 2014
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A tetradentate metalloligand: synthesis and coordination behaviour of a 2-pyridyl-substituted cyclobutadiene iron complex

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Abstract

The salt [K([18]crown-6){Cp*Fe(η4-C4py4)}] (K1, py = 2-pyridyl, Cp* = C5Me5) is accessible by the reaction of an iron(0) naphthalene precursor and bis(2-pyridyl)acetylene. Cyclic voltammetry and preparative investigations demonstrate the electron-rich nature of K1, which is reversibly oxidized to neutral [Cp*Fe(η4-C4py4)] (1) at a low potential. The first coordination studies with iron(II) and zinc(II) chloride show that all four 2-pyridyl units may be employed for metal coordination.

Graphical abstract: A tetradentate metalloligand: synthesis and coordination behaviour of a 2-pyridyl-substituted cyclobutadiene iron complex

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Publication details

The article was received on 27 Sep 2013, accepted on 20 Nov 2013 and first published on 03 Dec 2013


Article type: Communication
DOI: 10.1039/C3DT52699B
Author version available: Download Author version (PDF)
Citation: Dalton Trans., 2014,43, 4247-4250
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    A tetradentate metalloligand: synthesis and coordination behaviour of a 2-pyridyl-substituted cyclobutadiene iron complex

    B. Rezaei Rad, D. Herrmann, C. Lescop and R. Wolf, Dalton Trans., 2014, 43, 4247
    DOI: 10.1039/C3DT52699B

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