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Synthesis and characterization of cobalt(II) and iron(III) complexes with the Schiff bases:N-(p-methylbenzylidene)-2-aminobenzimidazole andN-(benzylidene)-2-(2′-aminophenyl)-benzimidazole

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Summary

Reactions of CoX2 (X=Cl, Br or NCS) and FeCl3 with the Schiff bases:N-(p-methylbenzylidene)-2-aminobenzimidazole (pmbabi) andN-(benzylidene)-2-(2′-aminophenyl) benzimidazole (bapbi) yield complexes of general formula CoL2X2 [except for Co(bapbi)(NCS)2] and FeLCl3. All complexes have been characterized by elemental analyses, i.r. spectroscopy conductivity and magnetic measurements at different temperatures; solid state and solution electronic spectra are reported for cobalt(II) complexes. The results show that the latter are pseudotetrahedral, the ligand acting as monodentate, except for Co(bapbi) (NCS)2. On the other hand, the iron compounds probably contain pentacoordinated metal.

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Authors and Affiliations

  1. E.U.I.T. Forestal, Universidad Politécnica, 28040, Madrid, Spain

    Cristina Molleda

  2. Departamento de Química Inorgánica, Universidad Autónoma, 28049, Madrid, Spain

    José A. García-Vázquez & José R. Masaguer

Authors
  1. Cristina Molleda
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  2. José A. García-Vázquez
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  3. José R. Masaguer
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Molleda, C., García-Vázquez, J.A. & Masaguer, J.R. Synthesis and characterization of cobalt(II) and iron(III) complexes with the Schiff bases:N-(p-methylbenzylidene)-2-aminobenzimidazole andN-(benzylidene)-2-(2′-aminophenyl)-benzimidazole. Transition Met Chem 12, 249–253 (1987). https://doi.org/10.1007/BF01023541

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  • DOI: https://doi.org/10.1007/BF01023541

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