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• W3170481535 endingPage "120489" @default.
• W3170481535 startingPage "120489" @default.
• W3170481535 abstract "Four new copper(II) complexes were synthesized with tridentate hydrazone (HL) as pro-ligand with ONO donor sides by a biomimetic strategy and their structures were solved by single-crystal X-ray and various spectral techniques. The Hirshfeld analysis and the fingerprint plots revealed how much the weak CH∙∙∙π and π ∙∙∙π non-covalent interactions lead both complexes to build supramolecular architectures. Density functional theory (DFT) calculations throw light on electronic transitions. All complexes are potent SOD mimics activity. • Synthesized of four mononuclear copper (II) complexes. • DFT finding suggests that the transitions on the lowest-energy region. • Weak CH∙∙∙π and π ∙∙∙π non-covalent interactions. • Both complexes catalyzed the dismutation of superoxide (O 2 − ). • X-band epr spectral study. The 1:1 reaction of (Z)-Ń-{(2-hydroxynapthalen-1-yl}methylene)acetohydrazide (HL) and copper(II) salt in methanol yields a series of new mononuclear complexes, [Cu(HL)(OH 2 )]ClO 4 1 , [Cu(HL)(OH 2 ]ClO 4 2 , [Cu(HL)(OH 2 )]NO 3 3 and [Cu(L)(Cl)] 4 . The room temperature magnetic moments of the complexes 1 – 4 are 1.79, 1.78, 1.80 and 1.76B.M. respectively. The absorption bands emerging in the UV region (337–341 nm) are characteristic of the HL ligand. In these complexes, the LMCT bands were observed in the range of 503–506 nm and the d-d band at 617–623 nm. The molecular structures of all four complexes have been solved using single-crystal X-ray analysis. The X-ray analysis shows the formation of supramolecular structures through various non-covalent interactions viz ., C H∙∙∙π and π···π intermolecular interactions. The detailed Hirshfeld surface and fingerprint plots yielded a comparative picture of the mode of non-covalent interactions. The DFT calculations were performed and the results are in good agreement with experimental results. X-band epr spectral measurements have been carried out to authenticate the paramagnetic behavior of all complexes. The stability of the copper(II) centre was examined using cyclic and differential pulse voltammetry. The IC 50 and SOD activity values for all complexes reveal that they are good models among the best values reported for low molecular weight mononuclear copper(II) complexes." @default.
• W3170481535 created "2021-06-22" @default.
• W3170481535 creator A5009456463 @default.
• W3170481535 creator A5058956461 @default.
• W3170481535 creator A5064559096 @default.
• W3170481535 creator A5080882260 @default.
• W3170481535 date "2021-09-01" @default.
• W3170481535 modified "2023-10-10" @default.
• W3170481535 title "Mononuclear copper(II) complexes with (Z)-N′-{(2-hydroxynapthalen-1-yl}methylene)acetohydrazide: X-ray single-crystal structures, Hirshfeld analysis, X-band epr spectra, DFT calculations and SOD mimetic activity" @default.
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