Journal
TETRAHEDRON LETTERS
Volume 52, Issue 19, Pages 2454-2457Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2011.02.105
Keywords
Cyanide sensor; Photochromic; Phenoxyquinone
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Funding
- National Research Foundation of Korea [20100018438]
- Center for Next Generation Dye-sensitized Solar cells [20100001844]
- International Research & Development Program [K20901000006-09E0100-00610]
- Seoul Scholarship Foundation
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We have developed a new chemosensor system for cyanide ion that is based on a photochromic material. We observed that addition of cyanide anion to a UV irradiated solution of a phenoxynaphthacenequinone derivative brought about a significant change in the absorption spectra that enabled detection of cyanide ion in a selective and sensitive manner. A carbanion intermediate was shown to be responsible for the long wavelength absorption band (630-940 nm) that is generated by cyanide addition. (C) 2011 Elsevier Ltd. All rights reserved.
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