Selective Colorimetric Sensing of Cyanide Ions Over Fluoride Ions by Calix[4]arene Containing Thiourea Moieties

J. Nagendra      Babu; Vandana      Bhalla; Manoj      Kumar; Hardev      Singh

doi:10.2174/157017806779025979

Abstract

A new calix[4]arene derivative in 1,3-alt conformation containing thiourea moieties is synthesized and examined for its anion binding ability by UV-Vis and 1H NMR studies. The results show that the receptor has selective colorimetric sensing of cyanide over all other anions like fluoride, chloride, bromide, iodide, nitrate, hydrogen sulphate, dihydrogenphosphate and acetate.

Keywords: Anion sensing, colorimetric, calix[4]arene, thiourea, recognition

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Letters in Organic Chemistry

Title: Selective Colorimetric Sensing of Cyanide Ions Over Fluoride Ions by Calix[4]arene Containing Thiourea Moieties

Volume: 3 Issue: 10

Author(s): J. Nagendra Babu, Vandana Bhalla, Manoj Kumar and Hardev Singh

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Keywords: Anion sensing, colorimetric, calix[4]arene, thiourea, recognition

Abstract: A new calix[4]arene derivative in 1,3-alt conformation containing thiourea moieties is synthesized and examined for its anion binding ability by UV-Vis and 1H NMR studies. The results show that the receptor has selective colorimetric sensing of cyanide over all other anions like fluoride, chloride, bromide, iodide, nitrate, hydrogen sulphate, dihydrogenphosphate and acetate.

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Babu J. Nagendra, Bhalla Vandana, Kumar Manoj and Singh Hardev, Selective Colorimetric Sensing of Cyanide Ions Over Fluoride Ions by Calix[4]arene Containing Thiourea Moieties, Letters in Organic Chemistry 2006; 3 (10) . https://dx.doi.org/10.2174/157017806779025979