Abstract
A series of mononuclear Ni(II), Co(III), and Zn(II) complexes based on a Schiff base ligand, 4-chloro-6-[2-(pyrazin-2-ylmethylene)hydrazinyl]pyrimidine (HL), have been synthesized and characterized by physicochemical and spectroscopic methods. The complexes were found to have superior radical scavenging potency against DPPH, superoxide anion, hydroxyl, and ABTS radicals than free HL. The antibacterial effects of the complexes against Gram-positive and Gram-negative bacteria were also higher than that of free HL.
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Acknowledgments
This work was supported by grants from the Natural Science Foundation of China (Nos. 21461023 and 21361023), Fundamental Research Funds for the Gansu Universities.
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11243_2016_69_MOESM1_ESM.doc
CCDC 1434915 (1), CCDC 1434912 (2), CCDC 1434917 (3), CCDC 1434916 (4), and CCDC 1434913 (5) include all supplementary crystallographic data of three complexes. These data can be obtained free of charge from The Cambridge Crystallographic Data Center via http://www.ccdc.cam.ac.uk/data_request/cif. (DOC 3309 kb)
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Hasi, QM., Fan, Y., Feng, XX. et al. Antioxidant and antimicrobial properties of nickel(II), cobalt(III), and zinc(II) complexes of a Schiff base ligand. Transit Met Chem 41, 685–692 (2016). https://doi.org/10.1007/s11243-016-0069-9
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DOI: https://doi.org/10.1007/s11243-016-0069-9