4.4 Article

A fluorescent probe with a large Stokes shift for sensing sulfite in dry white wine based on pyrazolo[1,5-a]pyridine fluorophore

Journal

TETRAHEDRON LETTERS
Volume 76, Issue -, Pages -

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2021.153210

Keywords

Pyrazolo[1,5-a]pyridine; Sulfite; Dry white wine; Probe

Funding

  1. Innovative Research Programs of Higher Education of Shandong Province [2019KJC009]
  2. Science Foundation of Shandong Province for Excellent Young Scholars [ZR2017JL015]
  3. Natural Science Foundation of China [21602153]

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A new fluorophore with a large Stokes shift was designed and synthesized to sense sulphite in dry white wine, showing high sensitivity, selectivity, and a fast response within 30 seconds.
A new fluorophore pyrazolo[1,5-a]pyridine with a large Stokes shift was designed, synthesized and used to sense sulphite in dry white wine. This probe showed not only high sensitivity and selectivity but also exhibited a fast response to SO32 within 30 s. (C) 2021 Elsevier Ltd. All rights reserved.

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