期刊
JOURNAL OF COORDINATION CHEMISTRY
卷 66, 期 18, 页码 3261-3271出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/00958972.2013.832230
关键词
Transition metal complexes; Schiff bases; Luminescence; Antibacterial activity
资金
- Zhaoqing University Undergraduates Innovating Experimentation Project
- Key Laboratory of Fuel Cell Technology of Guangdong Province
- Foundation for Distinguished Young Talents in Higher Education of Guangdong Province [2012LYM_0134]
- Science and Technology Planning Project of Zhaoqing City [2012G013]
- Zhaoqing University
Two new transition metal complexes of Schiff bases, [Pd-2(L1)(2)Cl-2] (1) and [Zn(L2)(2)] (2), [L1=N-(4-fluorobenzylidene)-2,6-diisopropylbenzenamine and L2=2,4-dibromo-6-((E)(mesitylimino)methyl)phenol], have been synthesized solvothermally and characterized by elemental analysis, IR-spectroscopy, thermogravimetric analysis, powder X-ray diffraction, UV-vis absorption spectra, and single-crystal X-ray diffraction. Complex 1 is a -chloro-bridged dinuclear cyclometallated Pd(II) complex, whereas 2 is mononuclear with the Zn-II tetrahedrally coordinated by two L2. Both 1 and 2 display photoluminescence in the solid state at 298K (fluorescence lifetimes =22.516ns at 468nm for 1, =3.697s at 490nm for 2). These Schiff bases and their metal compounds have been screened for antibacterial activity against several bacteria, and the results are compared with the activity of penicillin.
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