Tetrahedron Letters p. 2454 - 2457 (2011)
Update date:2022-07-29
Topics:
Park, In Sung
Heo, Eun-Joo
Kim, Jong-Man
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.
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(2011)
