期刊
TETRAHEDRON LETTERS
卷 49, 期 18, 页码 2960-2964出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2008.03.002
关键词
ratiometric; fluorescence; imine linkage; benzimidazole; iron(III)
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.
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