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Synthesis and characterization of dimeric Schiff base Co-II, Ni-II, Cu-II complexes for their catalytic application of aerobic oxidation of alcohol and interaction with biomolecules
- Title
- Synthesis and characterization of dimeric Schiff base Co-II, Ni-II, Cu-II complexes for their catalytic application of aerobic oxidation of alcohol and interaction with biomolecules
- Authors
- Thamilarasan, V; Revathi, P.; Praveena, A.; Kim, Jinheung; Chandramohan, Vivek; Sengottuvelan, N.
- Ewha Authors
- 김진흥
- SCOPUS Author ID
- 김진흥
- Issue Date
- 2020
- Journal Title
- INORGANICA CHIMICA ACTA
- ISSN
- 0020-1693
1873-3255
- Citation
- INORGANICA CHIMICA ACTA vol. 508
- Keywords
- Schiff base metal complexes; Single crystal X-ray diffraction analysis; DNA/Protein binding studies; Molecular docking; Aerobic oxidation of alcohols
- Publisher
- ELSEVIER SCIENCE SA
- Indexed
- SCIE; SCOPUS
- Document Type
- Article
- Abstract
- Three new transition metal (Co(II), Ni(II) and Cu(II)) complexes of Schiff's base ligand were prepared in situ by refluxing stoichiometric amounts of respective metal salts with 2-hydroxy-1-naphthaldehyde and 2-picolylamine. The structural feature of the synthesized complexes was derived from spectral (FT-IR, UV-Vis and ESI-mass) studies and elemental analysis. The single crystal X-ray diffraction analysis of complex 3 showed the structure as dimeric form [Cu(2-hnppa)Cl](2) and each copper atom is penta-coordinated. The calculated t value of [Cu(2-hnppa)Cl](2) was 0.25 (where alpha = 157.84 and beta = 172.18) indicating the square pyramidal geometry. Binding of these complexes (1-3) with calf thymus DNA was investigated by UV-Vis, fluorescence, viscosity measurements and computer aided molecular docking studies and the K-b value of complexes 1-3 were 2.4 x 10(5), 5.9 x 10(5) and 2.0 x 10(4) M-1, respectively. The relative binding energies of the metal complexes 1-3 docked with DNA were - 151.82, - 151.86 and - 151.80 eV, respectively. Complexes (1-3) exhibited a good binding capability with bovine serum albumin (BSA) with relatively high binding constant values. The complexes also act as a catalyst that enables efficient aerobic oxidation of a broad range of alcohols (benzyl alcohol, n-octanol) to the corresponding aldehydes at room temperature with ambient air as the oxidant.
- DOI
- 10.1016/j.ica.2020.119626
- Appears in Collections:
- 자연과학대학 > 화학·나노과학전공 > Journal papers
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