Journal
TETRAHEDRON
Volume 69, Issue 23, Pages 4631-4635Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2013.04.009
Keywords
Trisphaeridines; Fluorescence; Sensing; Cupric ion
Categories
Funding
- Ministerio de Economia y Competitividad of Spain/FEDER [CTQ2011-24800]
- CSIC
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The design, synthesis, and ion-sensing properties of new 7,11-diaryltrisphaeridines are described. 2-Thiophenyl and 2-furanyl derivatives behave as highly selective fluorescence chemosensors for Cu2+ cations, with limits of detection (LOD) of 3.8 and 12.9 mu M, respectively, i.e. below the toxic level of Cu2+ (ca. 20 mu M); while the presence of 2-methoxyphenyl groups favors the selective detection of Cu2+ and lowers the LOD to 1.1 mu M. (C) 2013 Elsevier Ltd. All rights reserved.
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