Preparation, characterization and spectroscopic properties of difluoroboron complexes with some fluoroquinolones

被引：12
|
作者：
Lin, Lu [1 ]
Zhai, Yunling [1 ]
Wang, Dunjia [1 ]
Yin, Guodong [1 ]
Fan, Ling [1 ]
Hu, Yanjun [1 ]
机构：
[1] Hubei Normal Univ, Coll Chem & Chem Engn, Hubei Key Lab Pollutant Anal & Reuse Technol, Hubei Collaborat Innovat Ctr Rare Met Chem, Huangshi 435002, Peoples R China
来源：
JOURNAL OF FLUORINE CHEMISTRY | 2016年 / 182卷
关键词：
Difluoroboron complexes; Fluoroquinolones; Fluorescence; Quantum yield; Spectroscopic properties; BETA-DIKETONATE DERIVATIVES; BORON DIFLUORIDE; ANTIBACTERIAL ACTIVITY; METAL-COMPLEXES; LUMINESCENCE; OFLOXACIN; QUINOLONE; AGENTS;
D O I：
10.1016/j.jfluchem.2015.11.010
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Six novel difluoroboron complexes with fluoroquinolones were prepared from fluoroquinolones via complexation with boron trifluoride etherate in DMF-CH2Cl2 solution. Their spectroscopic properties were investigated by UV-vis absorption, FTIR, H-1 NMR and fluorescence spectroscopic techniques. The results showed that these difluoroboron complexes exhibited the intense fluorescence emission at 401579 nm under UV visible illumination and possessed a relatively high quantum yield in DMSO solution and solid state. Especially, the difluoroboron complex of Levofloxacin displayed the strongest fluorescence and highest quantum yield (Phi(u) = 0.63) in these difluoroboron complexes, due to its conjugated rigid plane system via four fused six-membered cyclic structures. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：7 / 11
页数：5
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