Chloro-Bridged Dimeric Cadmium(II)-Isothiocyanate Complex with a Tridentate NNN Type Ligand: Synthesis, X-ray Structure, Thermal Analysis

Hopa, Çiğdem; Alkan, Mahir; Kazak, Canan; Arslan, N. Burcu; Kurtaran, Raıf

doi:10.1007/s10870-009-9625-x

Cited by 10 publications

(5 citation statements)

References 26 publications

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“…btmpp (1): The ligand btmpp was prepared by heating a mixture of 2,6‐dichloropyridine and the sodium salt of 3,4,5‐trimethyl‐ N ‐pyrazole in diglyme under reflux 10. 3,4,5‐Trimethylpyrazole was synthesized by the reaction of hydrazine hydrate and 3‐methyl‐2,4‐pentandione 11…”

Section: Methodsmentioning

confidence: 99%

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Zinc(II) and Mercury(II) Complexes of Pyrazole‐Based NNN‐Type Ligands: Syntheses, X‐ray Structures, Thermal Analyses and DFT Studies

Hopa

Kurtaran

Azizoğlu

et al. 2011

Zeitschrift anorg allge chemie

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Monomeric zinc(II) and mercury(II) complexes containing tripodal nitrogen donor ligand 2,6-bis(3,4,5-trimethyl-N-pyrazolyl)pyridine (btmpp) were synthesized, and characterized by elemental and spectroscopic (IR, UV/Vis) analyses, TG-DTA and single-crystal Xray diffraction studies. X-ray analyses of the complexes [Zn(btmpp)Cl 2 ] (2) and [Hg(btmpp)(SCN) 2 ] (3) showed that both structures crystallize in space group P2 1 /c with a = 7.9722(6), b = 18.3084(13), c = 13.3117(9) Å and Z = 4 for 2 and a = 8.7830(3), b = * Dr. Ç. Hopa

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Section: Methodsmentioning

confidence: 99%

“…As a part of our systematic studies of the coordination chemistry with btmpp, we recently published a mononuclear Fe III complex10 and a chlorido‐bridged Cd II ‐isothiocyanato complex 11. Complexes of Group 12 metal ions, such as zinc(II) and mercury(II) are also of interest since they are involved in many biological processes 12,13.…”

Section: Introductionmentioning

confidence: 99%

Zinc(II) and Mercury(II) Complexes of Pyrazole‐Based NNN‐Type Ligands: Syntheses, X‐ray Structures, Thermal Analyses and DFT Studies

Hopa

Kurtaran

Azizoğlu

et al. 2011

Zeitschrift anorg allge chemie

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“…In addition to those already discussed, many other complexes of 1-bpp and 3-bpp derivatives have been characterised since 2005. 6 Most of these are adducts of 1-bpp derivatives with divalent metal salts from groups 8, 14,169,170,175 [186][187][188][189][190][191][192] although individual titanium(IV), 193 iron(III) 15 and rhenium(I) 194 examples are also included. An IR study showed that L 34 forms adducts in methanol solution with CuCl 2 , NiCl 2 and CoCl 2 , but not with MgCl 2 or CaCl 2 .…”

Section: Other Complexesmentioning

confidence: 99%

Recent advances in the synthesis and applications of 2,6-dipyrazolylpyridine derivatives and their complexes

Halcrow

2014

New J. Chem.

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Developments in the chemistry of 2,6-di(pyrazol-1-yl)pyridine (1-bpp) and 2,6-di(pyrazol-3-yl)pyridine (3-bpp), their derivatives and their complexes are surveyed, with emphasis on the last eight years. Particular advances include the synthesis of multi-functional spin-crossover switches; the incorporation of emissive f-element podand centres into biomedical sensors; the self-assembly of a variety of functional soft materials and surface structures; and, the use of 3-bpp complexes in catalysis.

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“…Metal complexes with N ‐alkylaminopyrazole ligands, including Rh(I), Ru(II), Pd(II), Pt(II), Zn(II), and Co(II) complexes, have exhibited a variety of potentially useful chemical properties . Although there have been many reports describing transition metal complexes ligated to chelating pyrazolyl ligands, some recent studies have documented the use of transition metals, specifically cadmium, catalysts for olefin polymerization and methyl methacrylate (MMA) polymerization . Previously, we described Co(II), Zn(II) and Pd(II) complexes with N , N ‐bis(1 H ‐pyrazolyl‐1‐methyl)aniline and their derivatives in MMA polymerizations …”

Section: Introductionmentioning

confidence: 99%

X‐ray crystal structures and MMA polymerization of cadmium(II) complexes with bidentate pyrazole ligands: the formation of monomers or dimers as a function of a methyl substituent on the pyrazole and aniline rings

Kim

Woo

et al. 2014

Applied Organom Chemis

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The reaction of CdBr 2 ·4H 2 O with ancillary ligands, N,N-bis(1H-pyrazolyl-1-methyl)aniline (L 1 ), N,N-bis(1H-pyrazolyl-1-methyl)-pmethylaniline (L 2 ), N,N-bis(1H-pyrazolyl-1-methyl)-3,5-dimethylaniline (L 3 ), N,N-bis(3,5-dimethyl-1H-pyrazolyl-1-methyl)aniline (L 4 ) and N,N-bis(1H-pyrazolyl-1-methyl)-2,6-dimethylaniline (L 5 ) in ethanol yields novel Cd(II) bromide a bromo-bridged dimeric species with crystallographic inversion symmetry. Conversely, [L 4 CdBr 2 ] and [L 5 CdBr 2 ] exist as monomeric complexes, presumably due to the steric hindrance between the methyl substituents of the two pyrazole groups in the ligand and cadmium centre for [L 4 CdBr 2 ], and crowding around the cadmium metal by methyl substituents on the aniline residue in the ligand for [L 5 CdBr 2 ]. The geometry at each Cd(II) centre for [L 1 CdBr 2 ] 2 , [L 2 CdBr 2 ] 2 and [L 3 CdBr 2 ] 2 is best described as a distorted trigonal bipyramid. A distorted trigonal bipyramid is achieved in [L 4 CdBr 2 ] by coordinative interaction of the nitrogen atom of the aniline unit and the cadmium atom with a σ plane of symmetry, based on the bond length of Cd-N aniline (2.759(7) Å). [L 5 CdBr 2 ] exists with a distorted tetrahedral geometry involving non-coordination of the nitrogen atom of aniline and the Cd centre, resulting in the formation of an eight-membered chelate ring. The catalytic activity of monomeric, five-coordinated [L 4 CdBr 2 ] in the polymerization of methyl methacrylate (MMA) in the presence of modified methylaluminoxane (MMAO) at 60°C resulted in a higher molecular weight and a narrower polydispersity index (PDI) than those obtained with dimeric [L n CdBr 2 ] 2 (L n = L 1 , L 2 , L 3 ) or monomeric tetrahedral [L 5 CdBr 2 ].

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Chloro-Bridged Dimeric Cadmium(II)-Isothiocyanate Complex with a Tridentate NNN Type Ligand: Synthesis, X-ray Structure, Thermal Analysis

Cited by 10 publications

References 26 publications

Zinc(II) and Mercury(II) Complexes of Pyrazole‐Based NNN‐Type Ligands: Syntheses, X‐ray Structures, Thermal Analyses and DFT Studies

Zinc(II) and Mercury(II) Complexes of Pyrazole‐Based NNN‐Type Ligands: Syntheses, X‐ray Structures, Thermal Analyses and DFT Studies

Recent advances in the synthesis and applications of 2,6-dipyrazolylpyridine derivatives and their complexes

X‐ray crystal structures and MMA polymerization of cadmium(II) complexes with bidentate pyrazole ligands: the formation of monomers or dimers as a function of a methyl substituent on the pyrazole and aniline rings

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