Journal
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
Volume 137, Issue -, Pages 661-669Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2014.08.084
Keywords
Quinazoline-type ligand; Schiff base-type complex; Crystal structures; Spectroscopic properties; Cyclic voltammetry; Superoxide dismutase activities
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Funding
- Fundamental Research Funds for the Universities [214086]
- Natural Science Foundation of Gansu Province [1107RJZA165]
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An unexpected Schiff base-type Ni(II) complex, [Ni(L-2)(2)]center dot CH3OH (HL2 = 1-(2-{[(E)-3, 5-dibromo-2-hydroxybenzylidene]amino}phenyl)ethanone oxime), has been synthesized via complexation of Ni(II) acetate tetrahydrate with HL1 (2-(3,5-dibromo-2-hydroxyphenyl)-4-methyl-1,2-dihydroquinazoline 3-oxide) originally. HL1 and its corresponding Ni(II) complex were characterized by IR, H-1 NMR spectra, as well as by elemental analysis, UV-Vis and emission spectroscopy, respectively. Crystal structures of the ligand and complex have been determined by single-crystal X-ray diffraction. Each complex links two other molecules into an infinite 1-D chain via intermolecular hydrogen bonding interactions. Moreover, the electrochemical property of the nickle complex was studied by cyclic voltammetry. In addition, SOD-like activities of HL1 and Ni(II) complex were also investigated. (C) 2014 Elsevier B.V. All rights reserved.
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