期刊
JOURNAL OF INORGANIC BIOCHEMISTRY
卷 108, 期 -, 页码 22-29出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jinorgbio.2011.12.006
关键词
Copper(II) complexes; Schiff base ligands; X-ray structure; Urease inhibitors; Molecular docking
资金
- National Natural Science Foundation of China [21101122]
- China Postdoctoral Science Foundation [20100481108]
- Natural Science Foundation of Hubei Province [2009CDA022]
- Education Office of Hubei Province [Q20101610]
Five mononuclear copper(II) and nickel(11) complexes of Schiff base ligands derived from 4-hydroxyphenethylamine and 2-phenylethylamine were synthesized and determined by single crystal X-ray analysis. The crystal structures of these complexes presented the square planar coordination geometry at the metal center. The inhibitory activity of all the obtained complexes was tested in vitro against jack bean urease. It was found that Schiff base copper(II) complexes, namely [Cu(C15H13BrNO2)(2)]center dot 2(C6H7N) (1), [Cu(C15H12Br2-NO2)(2)]center dot 2(DMF) (2), Cu(C19H16NO2)(2) (3) and Cu(C19H16NO)(2) (5), showed strong inhibitory activity against jack bean urease (IC50 = 1.45-3.59 mu M), while Schiff base nickel(II) complex, [Ni(C19H16NO2)(2)]center dot 2(DMF) (4), exhibited weak inhibitory activity (IC50 > 50 mu M). Their structure-activity relationships were further discussed. (c) 2011 Elsevier Inc. All rights reserved.
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