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

页码：309 / 316

页数：8

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