期刊
JOURNAL OF COORDINATION CHEMISTRY
卷 63, 期 19, 页码 3463-3470出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/00958972.2010.514338
关键词
3; 5-Diiodosalicylaldehyde; Glycine; Copper(II) complex; Structure; Antibacterial
资金
- National Natural Science Foundation of China [30772627]
- Province Natural Science Foundation of Jiang Su [09KJD150005]
A new tridentate ligand, [(2-hydroxy-3,5-diiodo-benzylidene)-amino]-acetic acid (HDBA), has been synthesized from 3,5-diiodosalicylaldehyde and glycine in ethanol. A 1-D coordination polymer has been synthesized by reaction of HDBA with Cu(Ac)2 center dot H2O in ethanol-water. The complex was characterized by UV, IR, ESI-MS, elemental analyses, and X-ray crystallography. The central copper(II) is five-coordinate by one nitrogen and two oxygens from HDBA, one oxygen from water, and one oxygen from another HDBA. The complex was assayed for antibacterial (Bacillus subtilis, Staphylococcus aureus, Streptococcus faecalis, Pseudomonas aeruginosa, Escherichia coli, and Enterobacter cloacae) activities by the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide method. Complex 1 showed favorable antimicrobial activity with minimum inhibitory concentrations of 6.25, 6.25, 3.125, 6.25, 6.25, and 3.125 mu g mL-1 against B. subtilis, S. aureus, S. faecalis, P. aeruginosa, E. coli, and E. cloacae, respectively.
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