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  • Chem Sci Trans., 2013, 2(S1),  pp S147-S152  

    DOI:10.7598/cst2013.31

    Research Article

    Synthesis and Spectroscopic Characterization of Blue Copper Model Schiff Base Complexes

  • A. KULANDAISAMY, T. KAVITHA, S. ANGAIARKANNI and P. THILLAIARASU
  • Department of Chemistry, Raja Doraisingam Government Arts College, Sivagangai -630561, India
    Department of Chemistry, Sri Ramasamy Naidu Memorial College, Sattur - 626203, India
    Department of Chemistry, Alagappa Government Arts College, Karaikudi -630003, India
    Department of Chemistry, Kalasalingam University, Krishnankoil - 626190, India
  • Abstract

    Low molecular weight, low symmetric complexes simulating blue copper protein have been prepared by a reaction between salicylidene-4-aminoantipyrinyl-2-imino pyridine and metal salts. The complexes were characterized by elemental analysis, molar conductivity, magnetic susceptibility data, IR, 1H NMR, UV-Vis, FAB-Mass and EPR spectral studies. The physicochemical studies and spectral data indicate that the ligand acts as a monovalent tridentate chelating agent. All the complexes have the general composition MLX (M= Cu(II), Ni(II), Co(II) and Zn(II); L = Schiff base and X = Cl/Br/OAc). The UV-Vis., cyclic voltammetry and EPR spectral data of the complexes suggested that [CuLCl] complex is mimic the blue copper model type 1 proteins. But other two copper complexes are square planar geometry around the central metal ion and they were non-model complexes.

    Keywords

    Blue copper protein, Synthesis, Schiff base complexes, Spectroscopic characterization

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