Journal ArticleDOI
Chelated complexes of cadmium(II), cobalt(II), copper(II), mercury(II), nickel(II), uranyl(II) and zinc(II) with benzil bis(4-phenylthiosemicarbazone)
TLDR
In this article, the properties of benzil bis(4-phenylthiosemicarbazone), H2BPT, and its ligand were investigated using elemental analysis, molar conductivity, magnetic susceptibility and spectroscopic measurements.Abstract:
Complexes of CoII, NiII, CuII, ZnII, CdII, HgII and UO
2
II
with benzil bis(4-phenylthiosemicarbazone), H2BPT, have been synthesized and their structures assigned based on elemental analysis, molar conductivity, magnetic susceptibility and spectroscopic measurements. The i.r. spectra suggest that the ligand behaves as a binegative quadridentate (NSSN) (CoII, CuII, HgII and UO
2
II
complexes) or as a binegative quadridentate-neutral bidentate chelating agent (NiII, ZnII and CdII complexes). Octahedral structures for the CoII and NiII complexes and square-planar structure for the CuII complex are suggested on the basis of magnetic and spectral evidence. The crystal field parameters (Dq, B andμ
B) for the CoII complex are calculated and agree fairly well with the values reported for known octahedral complexes. The ligand can be used for the microdetermination of NiII ions of concentration in the 0.4–6×10−4 mol l−1 range and the apparent formation constant for the species generated in solution has also been calculated.read more
Citations
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Journal ArticleDOI
Spectroscopic, thermal and electrochemical studies on some nickel(II) thiosemicarbazone complexes
TL;DR: The redox properties and stability of the complexes toward oxidation waves explored by cyclic voltammetry are related to the electron withdrawing or releasing ability of the substituent of thiosemicarbazone moiety.
Journal ArticleDOI
Synthesis, spectroscopic, antimicrobial and anti-inflammatory studies of 5(2′-hydroxyphenyl)-3-(4-x-phenyl)pyrazolinates of copper(II) and their addition complexes with donor ligands
TL;DR: In this paper, complexes of copper(II) with 5(2′-hydroxyphenyl)-3-(4-x-phenyl)pyrazolines, (C15H12N2OX)2Cu have been synthesized with their addition complexes with 2, 2′-bipyridine, 1, 10-phenanthroline and triphenylphosphine.
Journal ArticleDOI
Spectrophotometric determination of vanadium in crude oil
TL;DR: In this paper, a spectrophotometric method has been developed for the determination of vanadium after derivatization with 2-pyrrolealdehyde phenylsemicarbazone (PPS).
Journal ArticleDOI
Preparation, characterization and thermal investigation of polymeric and monomeric binuclear complexes of dianils derived from 6-formylkhellin with cobalt(II), nickel(II) and copper(II)
TL;DR: In this paper, the properties of monomeric and polymeric binuclear complexes of Schiff bases derived from 6-formylkhellin and aromatic diamines with cobalt(II), nickel(II) and copper(II).
Journal ArticleDOI
Synthesis, Characterization and Antibacterial Activity of Mixed Ligand (HL) Complexes Mn(ll), Co(ll), Ni(ll), Zn(ll), Cd(ll) and Hg(ll) with Azide (N3-)
TL;DR: In this article, the anti bacterial activity with four kinds of bacteria, Staphylococcus aureus, Bacillus, Escherichia coli and Pseudomonas anaphora, was studied.
References
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Journal ArticleDOI
The use of conductivity measurements in organic solvents for the characterisation of coordination compounds
Journal ArticleDOI
2-Acetylpyridine thiosemicarbazones. 4. Complexes with transition metals as antimalarial and antileukemic agents.
TL;DR: These complexes show reduced antimalarial activity in mice infected with Plasmodium berghei; however, antileukemic properties are enhanced by coordination with the above-mentioned metals.
Journal ArticleDOI
Cytotoxic action of some transition metal chelates of Schiff bases derived from S-methyldithiocarbazate.
M Das,S E Livingstone +1 more
TL;DR: Cytotoxic action of some transition metal chelates of Schiff bases derived from S -methyldithiocarbazate is inhibited by Na6(CO3SO4)(SO4), while the action of Na2CO3(SO4)2, Na2SO4, and Na2O2 are inhibited by each other.
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