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      Studies on the synthesis, characterisation and antimicrobial activity of new Co(II), Ni(II) and Zn(II) complexes of Schiff base derived from ninhydrin and glycine.

      1 ,
      Biology of metals

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          Abstract

          For the first time, Co(II), Ni(II) and Zn(II) complexes have been synthesized involving an intermediate Schiff base, indane-1,3-dione-2-imine-N-acetic acid the condensed product of ninhydrin and glycine. These coloured complexes were characterised by elemental analysis, molar conductivity, thermogravimetric analyses/differential thermal analysis, infrared, magnetic susceptibility, NMR and electronic spectral studies. Mechanisms for their formation have been proposed. The experimental studies reveal that the complexes possess octahedral stereochemistry whereas the Schiff base behaves as a monobasic tridentate ligand. A molecular structure for the metal complexes is also proposed. A comparative study of the antimicrobial activity of ninhydrin and the corresponding metal complexes against Escherichia coli, Proteus mirabilis, Staphylococcus aureus and Streptococcus faecalis has been undertaken and the results are discussed.

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          Author and article information

          Journal
          Biol Met
          Biology of metals
          0933-5854
          0933-5854
          1990
          : 3
          : 1
          Affiliations
          [1 ] Department of Chemistry, Osmania University, Hyderabad, India.
          Article
          2119197
          7c4b18e0-12bf-4578-b05f-4bcdbe6698cf
          History

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