A colorimetric F chemosensor with high selectivity: experimental and theoretical studies

Hyoung Ha Ryu, Yun Jung Lee, So Eun Kim, Tae Geun Jo, Cheal Kim

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Abstract: A new and simple colorimetric receptor 1, based on the combination of 2-amino-4-methylphenol moiety and julolidine moiety, has been designed and synthesized. 1 showed a selective colorimetric sensing ability toward F ion by changing color from yellow to orange, and could be utilized to monitor F without any inhibition by competitive anions such as CH3COO and CN. Based on Job plot, ESI-mass spectrometry and the 1H NMR titration, the binding mode of 1 for F was proposed to be 1:1. Moreover, the sensing mechanism for F was theoretically supported by DFT and TD-DFT calculations. Graphical Abstract: [Figure not available: see fulltext.]

Original languageEnglish
Pages (from-to)111-119
Number of pages9
JournalJournal of Inclusion Phenomena and Macrocyclic Chemistry
Volume86
Issue number1-2
DOIs
StatePublished - 1 Oct 2016

Keywords

  • Colorimetric chemosensor
  • Deprotonation
  • Fluoride
  • Theoretical calculations

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