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  • Title: Synthesis, spectroscopic characterization and biological activities of N₄O₂ Schiff base ligand and its metal complexes of Co(II), Ni(II), Cu(II) and Zn(II).
    Author: Al-Resayes SI, Shakir M, Abbasi A, Amin KM, Lateef A.
    Journal: Spectrochim Acta A Mol Biomol Spectrosc; 2012 Jul; 93():86-94. PubMed ID: 22465773.
    Abstract:
    The Schiff base ligand, bis(indoline-2-one)triethylenetetramine (L) obtained from condensation of triethylenetetramine and isatin was used to synthesize the complexes of type, [ML]Cl(2) [M=Co(II), Ni(II), Cu(II) and Zn(II)]. L was characterized on the basis of the results of elemental analysis, FT-IR, (1)H and (13)C NMR, mass spectroscopic studies. The stoichiometry, bonding and stereochemistries of complexes were ascertained on the basis of results of elemental analysis, magnetic susceptibility values, molar conductance and various spectroscopic studies. EPR, UV-vis and magnetic moments revealed an octahedral geometry for complexes. L and its Cu(II) and Zn(II) complexes were screened for their antibacterial activity. Analgesic activity of Cu(II) and Zn(II) complexes was also tested in rats by tail flick method. Both complexes were found to possess good antibacterial and moderate analgesic activity.
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