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dharwad, india
It's currently 10:16 PM here
Joined June 27, 2017
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Krishna N.
@krishnanaikkud
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dharwad, india
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Education
Ph.D.
(6 years)
Advance Diploma in German
(3 years)
M.Sc.
(2 years)
Publications
Phenoxide bridged tetranuclear Co (II), Ni (II), Cu (II) and Zn (II) complexes
Journal of Luminiscence, Elsevier
A tetranucleating compartmental Schiff base ligand system has been derived from 2, 6-
diformyl-4-methylphenol, p-phenylenediamine and 2-aminomethylbenzimidazole.
Phenoxide bridged later first row transition metal (II) complexes of this ligand have been
prepared by conventional sequential route. Ligand and complexes were characterized by
routine physicochemical characterizations.
Pyrazole-bridged late first row metal complexes derived from hexadentate compartmental ligand
Medicinal Chemistry Research, Springer
A series of binuclear Co II, Ni II, Cu II, and Zn II complexes having μ-1, 2 diazine
bridging have been prepared and characterized by various physicochemical methods. The
hexadentate ligand is synthesized by condensing pyrazole-3, 5-dicarbohydrazide with 2-
hydroxynaphthaldehyde (LH 3) in 1: 2 ratio. All the complexes were found to be monomeric
in nature with octahedral geometry and act as nonelectrolytes.
Synthesis and spectroscopic characterization of metal complexes derived from benzofuran ligand
Applied Organometallic Chemistry, Wiley
Mononuclear divalent complexes of Co, Ni, Cu and Zn derived from a benzofuran-
based novel hydrazone tridentate ligand were synthesized and characterized using various
spectroscopic methods. Elemental analysis reveals that the metal-to-ligand ratio is 1: 2
which is supported by mass spectrometry results. Conductivity measurements suggest that
all the complexes are non-electrolytic in nature.
Effect of acetate and nitrate anions on the molecular structure
Journal of Molecular Structure, Elsevier
A novel Schiff base ligand 3-(hydroxyimino)-2-butanone-2-(1H-benzimidazol-2-yl)
hydrazone has been synthesized by the condensation reaction of 2-
Hydrazinobenzimidazole with diacetyl monoxime in presence of acetic acid catalyst. The
ligand has crystallized as its acetate salt, due to the charge-assisted hydrogen bonding
between protonated benzimidazole ring and acetate anion.
Evaluation of DNA cleavage, antimicrobial and anti-tubercular activities of metal complexes
Journal of Molecular Structure, Elsevier
A 2, 6-diformyl-4-methyl phenol based multidentate novel symmetric ligand and it is
late first-row transition metal complexes have been prepared. The ligand and metal
complexes were characterized by different spectroscopic techniques. The ligand shows a
symmetric polydentate coordination mode through the phenoxide bimetallic bridge, two
azomethine nitrogen atoms and two carbonyl oxygen atoms.
Transition metal complexes of 2-(2-(1H-benzo [d] imidazol-2-yl) hydrazono) propan-1-ol
Polyhedron, Elsevier
Transition metal coordination complexes of Co (II), Ni (II), Cu (II) and Zn (II) with a
newly designed ligand, 2-(2-(1H-benzo [d] imidazol-2-yl) hydrazono) propan-1-ol have been
synthesized and characterized using various spectro-analytical techniques. The molecular
structures of Co (II), Cu (II) and Zn (II) complexes are determined by single-crystal X-ray
diffraction method.
Pyrazole bridged dinuclear Cu and Zn complexes as phosphatase models: Synthesis and activity
Journal of Molecular Structure, Elsevier
Present work describes synthesis of dibridged dinuclear [Cu2L2(μ2-NN pyr)(NO3)2(H2O)2] and [Zn2L(μ-OH)(μ-NNpyr)(H2O)2] complexes derived from a pyrazole based ligand bis(2-hydroxy-3-methoxybenzylidene)-1H-pyrazole-3,5-dicarbohydrazide. The ligand shows dimeric chelate behaviour towards copper against monomeric for zinc counterpart. Zinc complex exhibited promising catalytic efficiency for the hydrolysis.
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