Selective recognition of fluoride ion based on 2, 6-dibenzamide pyridinium hydrochloride

  • Yun Rong Xue
  • , Li Feng Zhang
  • , Zhi Yun Dong
  • , Guo Hua Gao*
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

2, 6-Dibenzamide pyridinium hydrochloride (3) was synthesized and applied to recognize anions. Fluorescence spectra and UV-Vis spectra show that receptor 3 can selectively recognize fluoride through visible color change and remarkable fluorescence quenching. Job plot indicates that receptor 3 forms 1:1 stoichiometric complex with fluoride. The molecular structures of receptors and complex with fluoride were simulated by Gaussian 03. The receptor 3 combines with F- through hydrogen bond interaction including N-H ⋯ F- and (N-H)+ ⋯ F-.

Original languageEnglish
Pages (from-to)1506-1511
Number of pages6
JournalKao Teng Hsueh Hsiao Hua Heush Hsueh Pao/ Chemical Journal of Chinese Universities
Volume32
Issue number7
StatePublished - Jul 2011

Keywords

  • Fluorescence
  • Fluoride recognition
  • Molecular simulation
  • Naked-eye detection

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