Synthesis and spectroscopic characterization of cobalt(III) and copper(II) complexes of hexadentate and tetradentate ligands containing pyridyl arms

Mandel, Jeffrey B.; Maricondi, Chris; Douglas, Bodie E.

doi:10.1021/ic00290a020

Cited by 89 publications

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“…Catechol dioxygenase reactivity of in situ prepared complex solutions was tested and showed that all complexes reacted slower compared with the iron tmpa system described in the literature. bis[(2-pyridyl)methyl]ethylenediamine (uns-penp; Scheme 1), a versatile tripodal ligand described previously, [12,13] as a starting material. Interestingly, so far only an iron() complex of uns-penp has been described in the literature that has been investigated with regard to its spin crossover properties.…”

Section: Introductionmentioning

confidence: 99%

Iron(III) Complexes with the Ligand N′,N′‐Bis[(2‐pyridyl)methyl]ethylenediamine (uns‐penp) and Its Amide Derivative N‐Acetyl‐N′,N′‐bis[(2‐pyridyl)methyl]ethylenediamine (acetyl‐uns‐penp)

Astner

Walter

et al. 2006

Eur J Inorg Chem

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Section: Introductionmentioning

confidence: 99%

Iron(III) Complexes with the Ligand N′,N′‐Bis[(2‐pyridyl)methyl]ethylenediamine (uns‐penp) and Its Amide Derivative N‐Acetyl‐N′,N′‐bis[(2‐pyridyl)methyl]ethylenediamine (acetyl‐uns‐penp)

Astner

Walter

et al. 2006

Eur J Inorg Chem

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“…The structures of possible products are shown in Scheme 1. The dinuclear complex, [Cu 2 Cl 2 -(tpen)] 2+ (2), is the only product found from among three possible complexes. Two other complexes, [Cu 2 (µ-Cl) 2 -(tpen)] 2+ (3) and [CuCl(tpen)] + (4), were not observed.…”

Section: Resultsmentioning

confidence: 99%

“…The absorption spectrum in solid was obtained by means of a disc. 2 , formed immediately after mixing. An aqueous solution of NaCl (1.17 g, 20 mmol) was added to methanol of the green precipitate.…”

Section: Methodsmentioning

confidence: 99%

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Crystal Structures and Characterization of Copper(II) Complexes of N,N,N'N'-Tetrakis(2-pyridylmethyl)-1,2-ethanediamine

2004

Bulletin of the Korean Chemical Society

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The structure of [Cu(tpen)](ClO 4 ) 2 (tpen = N,N,N',N'-tetrakis(2-pyridylmethyl)-1,2-ethanediamine) has been identified by X-ray crystallography. The copper(II) ion is surrounded by two amine N atoms and three pyridine N atoms of the ligand, making a distorted trigonal-bipyramid. Among the six potential N donor atoms (two amine N and four pyridine N atoms), only one pyridine N atom remains uncoordinated. We examined structural changes on addition of Cl − to [Cu(tpen)] 2+ (1). The addition of Cl − in methanol resulted in the formation of a novel dinuclear copper(II) complex [Cu 2 Cl 2 (tpen)](ClO 4 ) 2 ·H 2 O. The structure of the dinuclear complex was verified by X-ray crystallography. Each copper(II) ion in the dinuclear complex showed a distorted square planar geometry with two pyridine N atoms, one amine N atom and one Cl − ion.

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“…H3TPA(ClO4)3 was prepared from the published method. 19 FT-IR spectra were collected on a Nicolet DX V. 4.56 FT-IR spectrometer in KBr pellets and the spectra were corrected for background. Elemental analyses were performed in the Microanalytical Laboratory at the University of Michigan.…”

Section: Methodsmentioning

confidence: 99%

Structure of Mixed-Anions Tris(2-pyridylmethyl)amine Mn Complex, TPAMnη²-NO₃)(η-CIO₄)

Shin¹,

Kim²,

Han

2007

Bulletin of the Korean Chemical Society

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Mononuclear mixed-anions Mn complex of TPAMn(η 2 -NO3)(η-ClO4), where TPA is tris(2-pyridylmethyl)-amine, has been synthesized and characterized. The neutral TPAMn(η 2 -NO3)(η-ClO4) was obtained from the reaction between Mn(NO3)2·4H2O and [H3TPA](ClO4)3 in MeOH. X-ray crystallographic structure of mononuclear TPAMn(η 2 -NO3)(η-ClO4) complex showed a seven-coordinated geometry with a tripodal tetradentate TPA, a terminal perchlorate and an η 2 -bound nitrate.

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Synthesis and spectroscopic characterization of cobalt(III) and copper(II) complexes of hexadentate and tetradentate ligands containing pyridyl arms

Cited by 89 publications

References 0 publications

Iron(III) Complexes with the Ligand N′,N′‐Bis[(2‐pyridyl)methyl]ethylenediamine (uns‐penp) and Its Amide Derivative N‐Acetyl‐N′,N′‐bis[(2‐pyridyl)methyl]ethylenediamine (acetyl‐uns‐penp)

Iron(III) Complexes with the Ligand N′,N′‐Bis[(2‐pyridyl)methyl]ethylenediamine (uns‐penp) and Its Amide Derivative N‐Acetyl‐N′,N′‐bis[(2‐pyridyl)methyl]ethylenediamine (acetyl‐uns‐penp)

Crystal Structures and Characterization of Copper(II) Complexes of N,N,N'N'-Tetrakis(2-pyridylmethyl)-1,2-ethanediamine

Structure of Mixed-Anions Tris(2-pyridylmethyl)amine Mn Complex, TPAMnη²-NO₃)(η-CIO₄)

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Synthesis and spectroscopic characterization of cobalt(III) and copper(II) complexes of hexadentate and tetradentate ligands containing pyridyl arms

Cited by 89 publications

References 0 publications

Iron(III) Complexes with the Ligand N′,N′‐Bis[(2‐pyridyl)methyl]ethylenediamine (uns‐penp) and Its Amide Derivative N‐Acetyl‐N′,N′‐bis[(2‐pyridyl)methyl]ethylenediamine (acetyl‐uns‐penp)

Iron(III) Complexes with the Ligand N′,N′‐Bis[(2‐pyridyl)methyl]ethylenediamine (uns‐penp) and Its Amide Derivative N‐Acetyl‐N′,N′‐bis[(2‐pyridyl)methyl]ethylenediamine (acetyl‐uns‐penp)

Crystal Structures and Characterization of Copper(II) Complexes of N,N,N'N'-Tetrakis(2-pyridylmethyl)-1,2-ethanediamine

Structure of Mixed-Anions Tris(2-pyridylmethyl)amine Mn Complex, TPAMnη2-NO3)(η-CIO4)

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Structure of Mixed-Anions Tris(2-pyridylmethyl)amine Mn Complex, TPAMnη²-NO₃)(η-CIO₄)