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Thermally stable complexes of Fe(III), Co(II), Ni(II) and Cu(II) with Schiff base derived from 4-aminoacetophenone and salicylaldehyde

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Abstract

The Schiff base ligand 1-(4-((2-hydroxybenzylidene)amino)phenyl)ethan-1-one, obtained from 4-aminoacetophenone and salicylaldehyde, and its complexes with Fe(III), Co(II), Ni(II) and Cu(II) have been synthesized. These complexes were characterized by FTIR spectroscopy, elemental, and SCXRD analysis. FTIR spectra of complexes show the bidentate coordination of metal ions with ligands where O and N are electron-donating sites of the azomethine group. The electronic absorption spectra of these complexes show the characteristics of absorption bands involved in the Fe, Co, and Ni complexes due to their π→π*, n→π* transitions. Further, the geometry of the complexes was deduced from the calculated magnetic moment values and single crystal XRD analysis.

Graphical abstract

A Schiff base derived from the condensation reaction between 2-aminoacetophenone and salicylaldehyde was involved in the formation of four different metal complexes, i.e., with Nickel, Cobalt, Iron, and Copper. The synthetic route to forming these complexes followed an easy process, and the complexes were obtained in good yields.

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Authors and Affiliations

  1. Catalysis and Material Chemistry Laboratory, Department of Chemistry, National Institute of Technology Karnataka, Mangaluru, Karnataka, 575 025, India

    Rasheeda M Ansari & Badekai Ramachandra Bhat

  2. Department of Chemistry, Presidency University, Bengaluru, 560064, India

    Dileep Ramakrishna

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  1. Rasheeda M Ansari
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  2. Dileep Ramakrishna
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  3. Badekai Ramachandra Bhat
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Correspondence to Badekai Ramachandra Bhat.

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Ansari, R.M., Ramakrishna, D. & Bhat, B.R. Thermally stable complexes of Fe(III), Co(II), Ni(II) and Cu(II) with Schiff base derived from 4-aminoacetophenone and salicylaldehyde. J Chem Sci 134, 117 (2022). https://doi.org/10.1007/s12039-022-02113-6

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  • DOI: https://doi.org/10.1007/s12039-022-02113-6

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