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Synthesis, Spectral Characterization and Biological Studies of Lanthanum(III) Complexes with 3-Substituted-4-Amino-5-Mercapo-1,4-Triazoles Schiff Bases

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Abstract:

Some lanthanum(III) complexes have been synthesized by reacting lanthanum(III) metal salt with Schiff bases derived from 3-substituted-4-amino-5-mercapto-1,2,4-triazole and glyoxal/biacetyl/benzyl. All these complexes are not soluble in common organic solvents. However sparingly soluble in DMF and DMSO. The chemical analysis of the complexes confirmed to the stoichiometry of the type La(III)LNO3·H2O. La(III)LCl·H2O and La(III)LNCS·H2O respectively. The chelation of the complexes has been proposed in the light of analytical, spectral studies. The measured molar conductance values indicate that, the complexes are non-electrolytes. The Schiff bases and their complexes have been screened for their antibacterial and antifungal activities. The results of these studies show the metal complexes to be more antibacterial and antifungal as compared to the uncomplexed coumarins.

Info:

Periodical:
International Letters of Chemistry, Physics and Astronomy (Volume 17)
Pages:
94-104
DOI:
https://doi.org/10.18052/www.scipress.com/ILCPA.17.94
Citation:
M. S. Yadawe et al., "Synthesis, Spectral Characterization and Biological Studies of Lanthanum(III) Complexes with 3-Substituted-4-Amino-5-Mercapo-1,4-Triazoles Schiff Bases", International Letters of Chemistry, Physics and Astronomy, Vol. 17, pp. 94-104, 2013
Online since:
Sep 2013
Authors:
Mallikarjun S. Yadawe, Shrishila N. Unki, Sangamesh A. Patil
Keywords:
Antibacterial, Antifungal, Lanthanum(III) Complexes, Schiff
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Distribution:
Open Access

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Creative Commons Attribution 4.0 International License

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