TETRADENTATE LIGAND
Synthesis, Characterization, Thermal Analysis and Structural Studies of New Complexes with Tetradentate Ligand Abbas A. Salih Al-Hamdani| Sahar S. Hassan
... The ligand and its metal complexes were characterized by phisco- chemical spectroscopic ...neutral tetradentate ligand is coordinated with the metal ions through two nitrogen and two oxygen ...
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Square Wave Anodic Stripping Voltammetric Determination of Zn (II) using Carbon Nanotubes / Novel Tetradentate Ligand Immobilized on PIGE Electrode
... novel tetradentate carboxamide ligand modified electrode is ...The ligand was prepared by the condensation of 2-pyridinecarboxylicacid and 2-aminobenzylamine, with triphenyl phosphite as the ...
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Immobilization of a molybdenum complex with tetradentate ligand on mesoporous material MCM-41 as catalyst for epoxidation of olefins
... In this work, we report a new heterogeneous molybdenum catalyst based on an easily prepared tetradentate Schiff base ligand derived from acetylacetone and diethylenetriamine supported on MCM-41. Catalytic ...
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TRINUCLEAR MIXED-VALENT MANGANESE COMPLEX WITH NON-SCHIFF-BASE TETRADENTATE LIGAND SHOWING A FERROMAGNETIC COUPLING
... The X-ray crystal structure analysis revealed that compound is a trinuclear manganese complex with linearly arrangement of Mn III -Mn II -Mn III , where two manganese ions of each Mn II -Mn III pair are bridged by ...
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Synthesis, characterization and antifungal activity of transition metal complexes derived from a novel macrocyclic compartmental ligand
... macrocyclic ligand and its metal complexes, which may provide additional options for the treatment of superficial fungal infections, anti microbial in nature even at low doses, and they may help to overcome the ...
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Bis[μ 2 {bis(2 pyridylethyl)amino}phenolato]bis[aquanickel(II)] dinitrate tetrahydrate
... Each NiII atom is coordinated by two bridging phenolate O- and three N-donors from the tetradentate ligand anion, L±Oÿ, plus the binding of water at the sixth coordination site to comple[r] ...
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DESIGNING, SYNTHESIS AND SPECTROSCOPIC STUDIES OF Co(II), Ni(II) AND Cu(II) TRANSITION METAL COMPLEXES WITH NITROGEN DONOR TETRADENTATE, NOVEL MACROCYCLIC SCHIFF’S BASE LIGAND
... macrocyclic ligand and their transition metal complexes have received a considerable attention in last many years, due to their interesting characteristics in industrial and synthetic processes such as catalysis, ...
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(–)D Aquabromo{3,3′ [(1R,2R) 1,2 bis(2,4,6 trimethylphenyl)ethane 1,2 diylbis(nitrilomethylidyne)]bis(pentane 2,4 dionato) N,N′,O,O′}cobalt(III) tetrahydrofuran solvate
... chiral tetradentate ligand (-)-L [L = 1,2-bis(2,4,6-trimethylphenyl)ethane-1,2-diylbis(nitrilomethylidyne)]- bis- (pentane-2,4-dione)] was derived from optically pure ...
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{2,2′ [1,2 Phenylenebis(nitrilomethylidyne)]diphenolato}copper(II) dichloromethane solvate
... a tetradentate ligand, and its square-planar copper complex has been described as an isolated molecule in a number of crystalline forms, both on its own (Suresh et ...
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Synthesis, characterization and biological studies of Cu(II), Co(II), Ni(II) and Zn(II) complexes of tetradentate Schiff base ligand
... Cu(II), Co(II), Ni(II) and Zn(II) complexes with Schiff base derived from 2-hydroxy-3-formylquinoline, 4- aminoantipyrine and 2-aminobenzothiazole have been synthesized and characterized on the basis of elemental ...
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(Acetonitrile){2 [bis(pyridin 2 ylmethyl κ2N)amino κN] N (2,6 dimethylphenyl)acetamide κO}(perchlorato κO)zinc (acetonitrile){2 [bis(pyridin 2 ylmethyl κ2N)amino κN] N (2,6 dimethylphenyl)acetamide κO}zinc tris(perchlorate)
... a tetradentate ligand for a metal ion (the fifth is CECDOE where the amid carbonyl group is not coordinated), but the total coordination number is always ...additional ligand, only the two methyl ...
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Synthesis, isomerisation and biological properties of mononuclear ruthenium complexes containing the bis[4(4'-methyl-2,2'-bipyridyl)]-1,7-heptane ligand
... We have previously shown17 that rutheniumII complexes containing bis[44′-methyl-2,2′-bipyridyl]-1,n-alkane bbn; for n = 10 and 12 as a tetradentate ligand in a mononuclear complex rather[r] ...
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Spectroscopic, Electroanalytical, and Hydrolytic-Like Activities of Bis(2-picoly)Glycine-Based Zinc(II) and Copper(II) Complexes
... the tetradentate ligand bis(2-picolyl)glycine, BPG, with both Zn(II) and Cu(II) ions in aqueous solution was investigated spectroscopically by using 1 H NMR and UV-visible titrations as well as ...
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Crystal structure and Hirshfeld surface analysis of 2,2′ {(1E,1′E) [ethane 1,2 diylbis(azanylylidene)]bis(methanylylidene)}bis[4 (trifluoromethoxy)phenol]copper(II) hydroquinone hemisolvate
... Schiff base was used as an O,N,N 0 ,O 0 -type tetradentate ligand, and a copper(II) complex was obtained and the structure confirmed by single-crystal X-ray diffraction analysis. In this study, we describe ...
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{4 Bromo 2 [(2 {(ethylsulfanyl)[(2 oxidobenzylidene κO)amino κN]methylidene}hydrazinylidene κN1)methyl]phenolato κO}(ethanol κO)dioxidouranium(VI)
... the tetradentate ligand, which are nearly obtained by rotation of 180° around the line joining U1 with the barycentre of ...the tetradentate ligand in the two orientations, with exception for ...
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Nickel(II) and Copper(II) Complexes of a New Tetradentate Schiff Base Ligand: Synthesis, Characterization, Thermal Studies and Use as Precursors for Preparation of NiO and CuO Nanoparticles
... spectrum was recorded on a BRUKER DRX-400 AVANCE spectrometer at 300 MHz for the Schiff base ligand. All chemical shifts are reported in δ units downfield from TMS. The TG/DTA was performed on a Perkin Elmer ...
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Structural study of the coordination behavior of a tetradentate NO3 donor amino alcohol ligand toward a CdII:HgII mixture
... properties were investigated. The structure of the [HNTE] Cl salt was also then determined by X-ray diffraction analy- sis and reported. The NTE ligand acts as an NO 3 -donor in this complex by forming three ...
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Crystal structure and thermal properties of bis[μ 2 (methoxycarbonylhydrazinylidene)acetato κ3N1,O:O]bis[diaqua(thiocyanato κN)manganese(II)] tetrahydrate
... (Fig. 1). The asymmetric unit consists of an Mn atom, a tridentate Schiff base ligand, an N-bounded thiocyanate moiety, and two ligated and two solvated water molecules. The manganese atom is surrounded in a ...
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Antibacterial and Antifungal Activity of a New Schiff Base Ligand Derived from 4-amino antipyrine and Thiophene-2-carboxaldehyde
... A new heterocyclic Schiff base ligand and its Co(II), Cu(II), Ni(II) and Zn(II) complexes have been synthesized from 4-aminoantipyrine, thiophene-2- carboxaldehyde and 2-aminophenol. The structure of the compound ...
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Oxovanadium(IV) complexes with Schiff base : Synthesis, Characterization and Antifungal Studies
... with tetradentate Schiff base ligands derived by the condensation of benzoylacetone with amino acids such as glycine, alanine, serine, cysteine and valine as presented in this ...
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