Abstract
AbstractFirst report on copper (II) complexes (Cu (II)) of unsubstituted cyclic aliphatic semicarbazones is presented. Copper (II) complexes with semicarbazone derivatives of cyclopentanone (C5), cyclohexanone (C6), cycloheptanone (C7) and cyclooctanone (C8) are synthesized and characterized by physico‐chemical techniques such as melting point, Ultra Violet‐Visible, Diffuse Reflectance (UV‐Vis‐DRS), Fourier Transform Infra Red (FTIR), FT‐Raman, proton nuclear magnetic resonance (1HNMR) spectroscopy and Mass spectrometry. The electrochemical behavior of the complexes was studied using cyclic voltammetry revealing Cu (II) to Cu (I) redox couple. The molar conductance study of copper complexes showed non‐electrolytic nature. As‐synthesized ligands and their complexes were evaluated against gram ‐ve bacteria Escherichia coli. The antibacterial results of the ligands and complexes were compared. The copper complexes were found more effective against bacterial growth than ligands. As‐synthesized cyclooctanone copper complex (CC8) was successfully employed as precursor for synthesis of copper oxide nanoparticles and its fromation was confirmed by UV‐Visible spectroscopy and XRD analysis.
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