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

Mark Abubekerov; Thomas L. Gianetti; Atsushi Kunishita; John Arnold

doi:10.1039/c3dt51087e

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

Mark Abubekerov
, Thomas L. Gianetti
, Atsushi Kunishita
, John Arnold

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

The synthesis of several nickel(ii) and manganese(ii) alkyl complexes supported by hydrotris(3-phenyl-5-methylpyrazolyl)borate (Tp^Ph,Me) ligand is reported. The metal halide complexes Tp^Ph,MeMnCl(CH ₃CN) (1) and Tp^Ph,MeNiCl (4) were used as precursors for synthesis of Tp^Ph,MeMnCH₂Si(Me)₃ (2), Tp ^Ph,MeMnCH₂Ph (3), Tp^Ph,MeNiCH ₂Si(Me)₃ (5) and Tp^Ph,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-Tp ^Ph,Me. Complex 6, on the other hand, was found to have a distorted square planar geometry with κ²-Tp^Ph,Me and an η³-benzyl ligand. Transformations of 4 and Tp^Ph,MeCoCl (10) via treatment with NaN₃ to yield Tp^Ph,MeNiN ₃ (11), Tp^Ph,MeCoN₃ (12), along with the synthesis of (Tp^Ph,Me)₂Ni (8) and Tp ^Ph,MeNiCl(3-Ph-5MepzH) (9) are also reported.

Original language	English (US)
Pages (from-to)	10525-10532
Number of pages	8
Journal	Dalton Transactions
Volume	42
Issue number	29
DOIs	https://doi.org/10.1039/c3dt51087e
State	Published - 2013
Externally published	Yes

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Inorganic Chemistry

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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 (Tp^Ph,Me) ligand. / Abubekerov, Mark; Gianetti, Thomas L.; Kunishita, Atsushi et al.
In: Dalton Transactions, Vol. 42, No. 29, 2013, p. 10525-10532.

Research output: Contribution to journal › Article › peer-review

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title = "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",

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(CH 3CN) (1) and TpPh,MeNiCl (4) were used as precursors for synthesis of TpPh,MeMnCH2Si(Me)3 (2), Tp Ph,MeMnCH2Ph (3), TpPh,MeNiCH 2Si(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-Tp Ph,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,MeNiN 3 (11), TpPh,MeCoN3 (12), along with the synthesis of (TpPh,Me)2Ni (8) and Tp Ph,MeNiCl(3-Ph-5MepzH) (9) are also reported.",

author = "Mark Abubekerov and Gianetti, \{Thomas L.\} and Atsushi Kunishita and John Arnold",

year = "2013",

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T1 - 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

AU - Abubekerov, Mark

AU - Gianetti, Thomas L.

AU - Kunishita, Atsushi

AU - Arnold, John

PY - 2013

Y1 - 2013

N2 - 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(CH 3CN) (1) and TpPh,MeNiCl (4) were used as precursors for synthesis of TpPh,MeMnCH2Si(Me)3 (2), Tp Ph,MeMnCH2Ph (3), TpPh,MeNiCH 2Si(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-Tp Ph,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,MeNiN 3 (11), TpPh,MeCoN3 (12), along with the synthesis of (TpPh,Me)2Ni (8) and Tp Ph,MeNiCl(3-Ph-5MepzH) (9) are also reported.

AB - 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(CH 3CN) (1) and TpPh,MeNiCl (4) were used as precursors for synthesis of TpPh,MeMnCH2Si(Me)3 (2), Tp Ph,MeMnCH2Ph (3), TpPh,MeNiCH 2Si(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-Tp Ph,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,MeNiN 3 (11), TpPh,MeCoN3 (12), along with the synthesis of (TpPh,Me)2Ni (8) and Tp Ph,MeNiCl(3-Ph-5MepzH) (9) are also reported.

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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 (Tp^Ph,Me) ligand

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