期刊
TALANTA
卷 88, 期 -, 页码 734-738出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.talanta.2011.11.033
关键词
Fluorescent chemosensor; HSO4- ion; Selectivity; Sonogashira reaction
资金
- PCSIRT [IRT 0953]
- Doctor Independent Foundation of Central China Normal University [2009007]
A class of novel heterocyclic compounds 1a-1c has been designed and synthesized. And our initial discovery is that these compounds can effectively recognize HSO4-. With the addition of HSO4-, a new energy band appears at 360-390 nm in the absorption spectra. The emission spectrum (lambda(ex) = 328 nm) undergoes an important change in its fluorescent effect in the presence of HSO4-. All available data (absorption and emission) strongly support the formation of hydrogen-bonded complexes between 1a and 1c and HSO4-. (C) 2011 Elsevier B.V. All rights reserved.
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