Highly Fe3+ selective ratiometric fluorescent probe based on imine-linked benzimidazole

被引：116
|
作者：
Jung, Hee Jung [1 ]
Singh, Narinder [1 ]
Jang, Doo Ok [1 ,2 ]
机构：
[1] Yonsei Univ, Dept Chem, Wonju 220710, South Korea
[2] Yonsei Univ, Ctr Bioact Mol Hybrids, Seoul 120749, South Korea
来源：
TETRAHEDRON LETTERS | 2008年 / 49卷 / 18期
关键词：
ratiometric; fluorescence; imine linkage; benzimidazole; iron(III);
D O I：
10.1016/j.tetlet.2008.03.002
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
We synthesized a novel benzimidazole-based fluorescent receptor bearing imine linkages with two sets of sp(2) nitrogens, and investigated its binding properties toward various metal ions. The receptor exhibited a shift in emission band upon binding with Fe(3+) ions, and no such significant response was noticed in other metal ions. The receptor shows a property of selective ratiometric fluorescent probe of Fe(3+) ions without interferences of the background metal ions. (c) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2960 / 2964
页数：5
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