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- Title
A chemodosimetric probe based on a conjugated oxidized bis-indolyl system for selective naked-eye sensing of cyanide ions in water.
- Authors
Kumari, Namita; Jha, Satadru; Bhattacharya, Santanu
- Abstract
A new bis-indolyl-based colorimetric probe has been synthesized. This allows a Michael-type adduct formation for the detection of cyanide ions. The probe shows a remarkable color change from red to colorless upon addition of the cyanide ions in pure water. The cyanide ion reacts with the probe and removes the conjugation of the bis-indolyl moiety of the probe with that of the 4-substituted aromatic ring. This renders the probe colorless. The mechanism of the reaction of the probe with the cyanide ion was established by using (1)H and (13)C NMR spectroscopy, mass spectrometry, and kinetic studies.
- Publication
Chemistry, an Asian journal, 2012, Vol 7, Issue 12, p2805
- ISSN
1861-471X
- Publication type
Journal Article
- DOI
10.1002/asia.201200565