期刊
CHEMISTRY-AN ASIAN JOURNAL
卷 7, 期 12, 页码 2805-2812出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asia.201200565
关键词
bis-indolyl; chemodosimetry; cyanides; sensors; water
资金
- DST
- University Grants Commission (UGC)
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 1H and 13C NMR spectroscopy, mass spectrometry, and kinetic studies.
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