4.7 Article

Rational Design of a Dual Chemosensor for Cyanide Anion Sensing Based on Dicyanovinyl-Substituted Benzofurazan

Journal

JOURNAL OF ORGANIC CHEMISTRY
Volume 76, Issue 24, Pages 10286-10290

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/jo201878k

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Funding

  1. Natural Science Foundation of Shandong Province [ZR2011BQ010]
  2. Liaocheng University [31805]
  3. High Performance Computing Center of Nanjing University

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A dicyanovinyl-substituted benzofurazan derivative (C1) was prepared as an efficient ratiometric chemosensor for cyanide anion detection in aqueous acetonitrile solution. Mechanism studies suggested that the nucleophilic addition of cyanide to the alpha-position of the dicyanovinyl group blocked the ICT progress of C1 and induced remarkable emission and absorption shift.

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