نتایج جستجو برای: complex ii
تعداد نتایج: 1308588 فیلتر نتایج به سال:
the zinc(ii) complex [zn2(dmdtc)2(μ-dmdtc)2] has been synthesized directly from thiram ligand, containing a disulfide bond {dmdtc = n,n-dimethyldithiocarbamate; thiram = n,n-tetramethylthiuram disulfide}, and characterized by elemental analysis and spectroscopic methods. surprisingly thiram, undergoes a reductive disulfide bond scission upon reaction with zn2+ in methanolic media to give the [z...
In many diseases such as cancer, simultaneous use of two or more pharmacologically active agents will be more effective and have fewer side effects. In this study a new palladium(II) complex with formula of [Pd(phen)(py-dtc)]NO3 (where is phen 1,10-phenanthroline and py-dtc is n-propyldithiocarbamate), was synthesized. The cytotoxic activity of this complex was tested against leukemia K562 cell...
a novel pyridine-2,6-dicarboxylic acid mixed ligands complex of formula [co(no3)2].6h2o has been obtained by the reaction of pyridine-2,6-dicarboxylic acid with cobalt nitrate and 1,10-phenanthroline on heating in water. the structures of [co(pydc)(phen)(h2o)](pydch2).4h2o receptors, and their complexes were optimized using dft method at the b3lyp/3-21g** level. the highest occupied molecular o...
in this paper, nickel oxide (nio) nanoparticles have been prepared by solid state thermal decomposition of an acyclic nickel(ii) complex (1,2-bis(2-formyl-3-methoxyphenyl)propane)nickel(ii) chloride, [nil]cl2, in an electrical furnace at optimal temperature, 450 ºc for 3.5 h. the nickel(ii) complex is obtained via solid state synthesis using nickel(ii) chloride and tetradentate o4 acyclic ligan...
[ru(terpy)(bpy)(l)]pf6 complexes, where terpy is 2,2΄:6′,2″– terpyridine, bpy is 2,2΄ - bipyridine and l is monoanions of 4 - bromophenylcyanamide (4 - brpcyd), 4-methoxyphenylcyanamide (4 - meopcyd), 2, 4 - dibromophenylcyanamide (2,4 - br2pcyd), 2,4-dimethylphenylcyanamide (2,4 - me2pcyd), 2 - methylphenylcyanamide (2 - mepcyd), phenylcyanamide (pcyd) and naphtylcyanamide (ncyd) have bee...
in the present study, we investigated the effect of a new anticancer pd(ii) complex, 1,10-phenanthroline-n-butyl dithiocarbamato pd(ii) nitrate, on the heme releasing from human hemoglobin (hb) as well as alterations in the structure and function of hb using different spectroscopic methods of uv-vis, fluorescence and circular dichroism (cd)at two temperatures of 25 and 37 °c. fluorescence data ...
abstract the cr(iii) and zn(ii) complexes with 2-((9,10-dihydro-1-hydroxy-9,10-dioxaanthracen-4-yloxy)carbonyl)benzoic acid as ligand have been prepared by reacting cr(no3) and zn(no3)2 and ligand in cloroform. the cr and zn complexes with 2-((9,10-dihydro-1-hydroxy-9,10-dioxaanthracen-4-yloxy)carbonyl) were also prepared in chloroform and aceton solutions. the uv-visible and ft-ir spectra of...
Vanadium (III) gives a greenish- yellow complex with anthranilic acid in presence of pyridine. The complex is extractable with chloroform and is used for photometric determination of vanadium by measuring the absorbance at 390 nm against a reagent blank. Beer's Law holds good in the range of 1-20 pg V/ml. Moderate amounts of Pb (II) , Ca (II) , Sr (II) , Ba (II) , Cd (II) , Mg (II) , Mn (II...
A new high energetic copper(II) complex, [Cu(μ-DAMT)Cl2]2, was prepared in reaction between 4,5-diamino-3-methyl-4H-1,2,4-triazol-1-ium chloride (DAMT.HCl)and copper(II) nitrate and identified by elemental analysis and spectral characterization. The spectral and physical characterizations of the product confirm formation of a binuclear structure of the copper(II). In the predicted structure of ...
A simple and rapid method has been developed for solvent extraction and spectrophotometric determination of copper (II) using o-methylphenyl thiourea (OMPT) as a sensitive reagent. The basis of proposed method is formation of copper (II)-OMPT complex. Copper (II) was extracted with 0.020 mol L-1 OMPT in chloroform from aqueous solution in 0.075 mol L-1 potassium iodate. The absorbance of comple...
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