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Issue 29, 2013
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Synthesis and characterization of coordinatively unsaturated nickel(ii) and manganese(ii) alkyl complexes supported by the hydrotris(3-phenyl-5-methylpyrazolyl)borate (TpPh,Me) ligand

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Abstract

The synthesis of several nickel(II) and manganese(II) alkyl complexes supported by hydrotris(3-phenyl-5-methylpyrazolyl)borate (TpPh,Me) ligand is reported. The metal halide complexes TpPh,MeMnCl(CH3CN) (1) and TpPh,MeNiCl (4) were used as precursors for synthesis of TpPh,MeMnCH2Si(Me)3 (2), TpPh,MeMnCH2Ph (3), TpPh,MeNiCH2Si(Me)3 (5) and TpPh,MeNiCH2Ph (6). The resulting Mn(II) and Ni(II) alkyl complexes, 2–3 and 5–6, were characterized by X-ray crystallography, NMR spectroscopy, and FT-IR spectroscopy. X-ray crystallographic analysis revealed distorted tetrahedral geometries for complexes 2–3 and 5 with a κ3-TpPh,Me. Complex 6, on the other hand, was found to have a distorted square planar geometry with κ2-TpPh,Me and an η3-benzyl ligand. Transformations of 4 and TpPh,MeCoCl (10) via treatment with NaN3 to yield TpPh,MeNiN3 (11), TpPh,MeCoN3 (12), along with the synthesis of (TpPh,Me)2Ni (8) and TpPh,MeNiCl(3-Ph-5MepzH) (9) are also reported.

Graphical abstract: Synthesis and characterization of coordinatively unsaturated nickel(ii) and manganese(ii) alkyl complexes supported by the hydrotris(3-phenyl-5-methylpyrazolyl)borate (TpPh,Me) ligand

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Publication details

The article was received on 25 Apr 2013, accepted on 30 May 2013 and first published on 30 May 2013


Article type: Paper
DOI: 10.1039/C3DT51087E
Dalton Trans., 2013,42, 10525-10532

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    Synthesis and characterization of coordinatively unsaturated nickel(II) and manganese(II) alkyl complexes supported by the hydrotris(3-phenyl-5-methylpyrazolyl)borate (TpPh,Me) ligand

    M. Abubekerov, T. L. Gianetti, A. Kunishita and J. Arnold, Dalton Trans., 2013, 42, 10525
    DOI: 10.1039/C3DT51087E

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