bidentate ligands
Synthesis and EPR:Manganese (II) Complexes of Bis Benzimidazole Based Bidentate Ligands
... Although there has been much progress in synthetic modeling of manganese containing enzymes, functionally active synthetic analogs have received little attention. To our knowledge little literature is available on ...
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Study of Coordination Mode of Bidentate Ligands Derivative of 2-Benzoylpyridine Thiosemicarbazone, 2-Benzoylpyridine semicarbazone, and 2-Benzoyl thiophene thiosemicarbazone and their Co(II) complexes : Synthesis, Characterization, and their Biological Ac
... indicating that all the cobalt complexes are non- electrolytic in nature and have composition (CoL 2 X 2 ). All complexes and ligands were found to be biologically active toward test fungi and bacteria. Complexes ...
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Synthesis and Mossbauer Spectroscopy: Iron(III) Compexes of BisBenzimidazole Based Bidentate Ligands
... The low solubility of iron is the chief hurdle to its biological uptake. Many microorganisms overcome this by secreting into the external medium small chelators, known as siderophores, that bind iron and are then ...
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Mixed Ligand Complexes of Gold (III) with Some Amino Acids and Dithiocarbamates or Dithiophosphates
... The chemistry of gold has attracted increasing attention in antitumor chemotherapy [1,2]. Complexes of gold(III) with bidentate ligands presented a number of important applications in chemotherapy, ...
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Spectral, thermal, molecular modeling and biological studies on mono- and binuclear complexes derived from oxalo bis(2,3-butanedionehydrazone)
... i.e., bidentate ligands show higher antimicrobial activity than monodentate; the nature of the ligands; the total charge of the complex: cationic > neutral > anionic; the nature of the counter ...
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Synthesis and Characterization of Dioxouranium (VI) complexes with Salicylyl hydrazine based Mixed Ligands
... The ligands salicylyl hydrazine(SH), acetyl salicylyl hydrazine(ASH) and benzoyl salicylyl hydrazine(BSH) can act either as monovalent bidentate ligands or neutral bidentate ligands ...
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Bis(N,N′ dimethylethylenediamine)copper(II) oxalate dihydrate
... Both the cation and anion are centrosymmetric. The Cu atom is in a distorted square geometry, coordinated by the four N atoms of the bidentate ligands. There are long [2.583 (2) AÊ] axial contacts to water. ...
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The Chemistry of the Platinum Metals158-165
... James (University of British Columbia, Vancouver, Canada) reported on the reaction chemistry of co-ordinatively unsatu- rated ruthenium complexes containing PN bidentate ligands[r] ...
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Synthesis, characterization and biological evaluation of novel dithiocarbamate metal complexes
... new bidentate ligands are dithiocarbamates of 4-Amino anti-pyrene and 2-aminothiozole (AADTC, ATDTC) were prepared by new synthetic methods, as the sodium ...
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trans Bis(3 hydroxy 2 phenyl 4H 1 benzopyran 4 onato)bis(pyridine)copper(II)
... trans form defined by two O atoms of 3-hydroxy and 4-carbonyl groups of two bidentate ligands in the equatorial plane, and two axial N atoms of two pyridyl ligands. The Cu atom lies on a center of ...
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Synthesis, Characterization and Invitro Antimicrobial Investigation of Some Transition Metal Complexes with the Schiff Base of Aromatic Aldehyde
... range 200-800 nm using a quartz cuvette of 1 cm path length. The complexes show only the charge transfer transitions which can be assigned to charge transfer from the ligand to metal and vice-versa, no d-d transition are ...
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Bis(9 hydroxyfluorene 9 carboxylato κ2O,O′)tripyridinecadmium(II)
... two bidentate 9-hydroxyfuorene-9-carboxylate ligands and one pyridine N atom in the equatorial plane, and two further pyridine N atoms in the axial ...
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Tris(5,5′ dimethyl 2,2′ bipyridyl κ2N,N′)iron(II) bis(perchlorate) 5,5′ dimethyl 2,2′ bipyridyl solvate
... formed by three bidentate dmbpy ligands, with Fe—N distances between 1.972 (4) and 1.995 (3) A ˚ . In addition, a non-coordinated ligand and two non-coordinating perchlorate anions, of which one is ...
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Tetrakis(μ 2 phenylacetato κ2O:O′)bis{[4 (dimethylamino)pyridine κN1]cobalt(II)}
... four bidentate phenylacetate ligands in syn–syn bridging ...carboxylate ligands and the ring N atom of a 4-(dimethylamino)pyridine unit, generating a distorted square-pyramidal geometry in which the ...
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Synthesis, Structure, Optical, Thermal, Dielectric And Magnetic Properties Of Cation Deficient K2.72 [Fe(C2O4)3]•3.17H2O Crystals
... evaporation method. The CHNS analysis confirmed the presence of hydrogen in the crystal lattice. In the crystal structure, the central Fe(III) is in distorted octahedral environment and is coordinated with six oxygen ...
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Synthesis and Characterization of Cd Complexes Containing Phenanthroline Derivatives
... elemental analysis and Cyclic voltammetry (CV) techniques. The IR spectra suggest involvement of unsaturated nitrogen atoms of the C=N moieties groups in bonding with the central metal ions. Cyclic voltammetry technique ...
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(1,1 Cyclobutanedicarboxylato κ2O,O′)(2,2′ biquinoline κ2N,N′)palladium(II) monohydrate
... cis-Square-planar coordinated Pt II complexes such as cisplatin [cis-diamminedichloroplatinum(II)], carboplatin [cis-diam- mine(1,1-cyclobutanedicarboxylato)platinum(II)] and oxali- platin [trans-l-1,2-diaminocyclohexane ...
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Aquabis(1H imidazole κN3)bis(4 methylbenzoato κ2O,O′)cadmium(II)
... two bidentate chelating 4-methylbenzoate ligands, two N atoms from two imidazole ligands and one water molecule in a distorted pentagonal bipyramidal ...imidazole ligands and carboxyl- ate ...
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Reactivity of Dimethylplatinum (II) Complexes
... In this chapter, a new platinum(II) complex containing the bidentate nitrogen donor ligand 1,2-di-2-pyridylethane is reported. The dimethylplatinum(II) complex contained a seven membered chelate ring, which ...
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catena Poly[[bis(1,10 phenanthroline)samarium] di μ 2 hydroxybenzoato sodium di μ 2 hydroxybenzoato]
... two bidentate phenanthroline ligands and four O atoms of four monodentate carboxyl ...hydroxybenzoate ligands act as bridges between the Na and Sm atoms, forming a one-dimensional ...
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