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KMID : 1059520130570060712
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Journal of the Korean Chemical Society
2013 Volume.57 No. 6 p.712 ~ p.720
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Spectroscopic, Thermal and Biological Studies of Zn(II), Cd(II) and Hg(II) Complexes Derived from 3-Aminopyridine and Nitrite Ion
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Dhaveethu Karuthakannan
Ramachandramoorthy Thiagarajan
Thirunavukkarasu Kandasamy
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Abstract
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Microwave assisted syntheses of Zn(II), Cd(II) and Hg(II) complexes with 3-aminopyridine (3AP) and nitrite (NO2 -) ions have been reported. The metal complexes were characterized by elemental analyses, molar conductance, IR, Far-IR, electronic, NMR (1H, 13C), thermal and electron impact mass spectral studies. The spectroscopic studies reveal the composition, the nature of nitrite ligand in the complexes, electronic transitions, chemical environments of C and H atoms thermal degradation of the complexes. On the basis of characterization data, distorted tetrahedral geometry is suggested for Zn(II), Cd(II) and Hg(II) complexes. The organic ligand (3AP) and their metal complexes were screened against gram negative pathogenic bacteria and fungi in vitro. The results are compared with our previous report J. Korean Chem. Soc. 2013, 57, 341 on 4-aminopyridine and nitrite ion complexes of the same metal ions.
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KEYWORD
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3-Aminopyridine, Nitro complex, Mixed ligand complexes, Biological activities
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