A selective colorimetric chemosensor with an electron-withdrawing group for multi-analytes CN- and F-

Hee Joo Lee; Sung Jun Park; Hyen Je Sin; Yu Jeong Na; Cheal Kim

doi:10.1039/c5nj00169b

A selective colorimetric chemosensor with an electron-withdrawing group for multi-analytes CN^- and F^-

Hee Joo Lee, Sung Jun Park, Hyen Je Sin, Yu Jeong Na, Cheal Kim

Dept. of Fine Chemistry

Seoul National University of Science and Technology (SNUST)

Research output: Contribution to journal › Article › peer-review

56 Scopus citations

Abstract

A new colorimetric chemosensor with an electron-withdrawing group (-NO₂) 1 for the detection of CN^- and F^- has been simply developed. Receptor 1 showed selectively colorimetric responses to CN^- in aqueous solution and F^- in acetonitrile, respectively. An obvious color change of 1 from yellow to colorless was observed for CN^- through a nucleophilic addition mechanism, while F^- was detected through a deprotonating mechanism with a distinct color change from pale yellow to orange. The binding modes of receptor 1 with two analytes (CN^- and F^-) were proposed to be 1:1, based on the Job plot, ¹H NMR titration, and ESI-mass spectrometry analysis.

Original language	English
Pages (from-to)	3900-3907
Number of pages	8
Journal	New Journal of Chemistry
Volume	39
Issue number	5
DOIs	https://doi.org/10.1039/c5nj00169b
State	Published - 1 May 2015

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title = "A selective colorimetric chemosensor with an electron-withdrawing group for multi-analytes CN- and F-",

abstract = "A new colorimetric chemosensor with an electron-withdrawing group (-NO2) 1 for the detection of CN- and F- has been simply developed. Receptor 1 showed selectively colorimetric responses to CN- in aqueous solution and F- in acetonitrile, respectively. An obvious color change of 1 from yellow to colorless was observed for CN- through a nucleophilic addition mechanism, while F- was detected through a deprotonating mechanism with a distinct color change from pale yellow to orange. The binding modes of receptor 1 with two analytes (CN- and F-) were proposed to be 1:1, based on the Job plot, 1H NMR titration, and ESI-mass spectrometry analysis.",

author = "Lee, \{Hee Joo\} and Park, \{Sung Jun\} and Sin, \{Hyen Je\} and Na, \{Yu Jeong\} and Cheal Kim",

note = "Publisher Copyright: {\textcopyright} The Royal Society of Chemistry and the Centre National de la Recherche Scientifique 2015.",

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AU - Park, Sung Jun

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AU - Na, Yu Jeong

AU - Kim, Cheal

PY - 2015/5/1

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N2 - A new colorimetric chemosensor with an electron-withdrawing group (-NO2) 1 for the detection of CN- and F- has been simply developed. Receptor 1 showed selectively colorimetric responses to CN- in aqueous solution and F- in acetonitrile, respectively. An obvious color change of 1 from yellow to colorless was observed for CN- through a nucleophilic addition mechanism, while F- was detected through a deprotonating mechanism with a distinct color change from pale yellow to orange. The binding modes of receptor 1 with two analytes (CN- and F-) were proposed to be 1:1, based on the Job plot, 1H NMR titration, and ESI-mass spectrometry analysis.

AB - A new colorimetric chemosensor with an electron-withdrawing group (-NO2) 1 for the detection of CN- and F- has been simply developed. Receptor 1 showed selectively colorimetric responses to CN- in aqueous solution and F- in acetonitrile, respectively. An obvious color change of 1 from yellow to colorless was observed for CN- through a nucleophilic addition mechanism, while F- was detected through a deprotonating mechanism with a distinct color change from pale yellow to orange. The binding modes of receptor 1 with two analytes (CN- and F-) were proposed to be 1:1, based on the Job plot, 1H NMR titration, and ESI-mass spectrometry analysis.

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A selective colorimetric chemosensor with an electron-withdrawing group for multi-analytes CN^- and F^-

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