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  • Chem Sci Trans., 2013, 2(3),  pp 761-770  

    DOI:10.7598/cst2013.474

    Research Article

    Synthesis, Characterization of Symmetrically Substituted Metal(II) Octa-1-(3-bromophenyl)methanimine Phthalocyanine

  • FASIULLA, K. R. VENUGOPALA REDDY*, J. KESHAVAYYAc and B. CHANDRESHEKHAR KUMARa
  • Department of Chemistry, Manipal Institute of Technology, Manipal, Udupi District -576104, Karnataka, India
    Department of Studies in Industrial Chemistry, Sahyadri Science College, Shimoga -577201, Shimoga District, Karnataka, India
    Department of Studies in Chemistry, Kuvempu University, Janna Sahyadri, Shankaragatta-577451, Shimoga District, Karnataka, India
  • Abstract

    Metallophthalocyanine (M = Cu, Co, Ni and Zn) carrying eight (3-bromophenyl) methanimine groups at peripheral positions were synthesized by an efficient, simple and novel method. The precursor octaamino metal(II) phthalocyanines were synthesized by the reduction of the corresponding nitro metal phthalocyanines. The dark green octa-1-(3- bromophenyl)methanimine phthalocyanine derivatives were characterized by elemental analysis, magnetic susceptibility, electronic, IR and powder x-ray diffraction studies to check the purity, structural integrity and crystalline properties of the complexes. Magnetic susceptibility studies on Co(II) and Cu(II) octa-1-(3-bromophenyl) methanimine phthalocyanine complexes exhibit a variation of the magnetic moments as a function of field strength indicating the presence of inter molecular co-operative effect.

    Keywords

    Phthalocyanines, Synthesis, Octa-1-(3-bromophenyl)methanimine, Electronic, Magnetic, XRD, Thermal studies

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