4.8 Article

A Highly Selective Bifunctional Luminescence Probe for Potassium and Fluoride Ions

Journal

ORGANIC LETTERS
Volume 13, Issue 9, Pages 2172-2175

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ol200277n

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Funding

  1. University of Hong Kong
  2. University Grants Committee, Institute of Molecular Functional Materials, University of Hong Kong [AoE/P-03/08]
  3. Research Grants Council of Hong Kong Special Administrative Region, P. R. China [HKU 7050/08P]

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A novel bifunctional molecule 1 by a combination of 1,3-alternate calix[4]-crown-5 and triarylborane moieties through alkynyl linkers has been designed and synthesized. Compound 1 shows intense fluorescence with a photoluminescence quantum yield of 0.70 in CH(2)Cl(2) solution and can serve as a bifunctional luminescent probe for potassium and fluoride ions with high sensitivity and selectivity.

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