Novel coumarin fluorescent dyes: Synthesis, structural characterization and recognition behavior towards Cu(II) and Ni(II)

被引：94
作者：
Li, Hongqi [1 ]
Cai, Li [1 ]
Li, Jinxing [1 ]
Hu, Yixin [1 ]
Zhou, Pingping [1 ]
Zhang, Jiming [1 ]
机构：
[1] Donghua Univ, Key Lab Sci & Technol Ecotext, Minist Educ, Coll Chem Chem Engn & Biotechnol, Shanghai 201620, Peoples R China
来源：
DYES AND PIGMENTS | 2011年 / 91卷 / 03期
关键词：
Fluorescent; Coumarin; Dye; Recognition; Cu(II) ion; Ni(II) ion; SENSOR; PROBE; CHEMOSENSORS; DERIVATIVES; CYANIDE; PH;
D O I：
10.1016/j.dyepig.2011.05.011
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A series of novel coumarin dyes (3-12) were designed and synthesized. The structures of the dyes were characterized by IR, H-1 NMR, C-13 NMR, F-19 NMR, MS and single crystal X-ray diffraction. 3-(2-Benzoylhydrazonotrifluoroethyl)-7-(N,N-diethylamino)coumarin (11) could recognize Cu2+ and Ni2+ selectively in aqueous solution. Upon addition of Cu2+ or Ni2+ to 11 a blue shift or a bathochromatic shift of the absorption band was observed while the emission band blue-shifted with decrease in the fluorescence intensity. Upon addition of Cu2+ the color of the solution of 11 changed from orange to red. The results showed that 11 could be used as an optical chemosensor of Cu2+ and Ni2+. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：309 / 316
页数：8
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