4.4 Article

Unprecedented intramolecular cyclization of pyridinium to pyrido[1,2-a]benzimidazole: a novel chemodosimeter for fluoride ions

Journal

TETRAHEDRON LETTERS
Volume 52, Issue 12, Pages 1313-1316

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2011.01.057

Keywords

Pyridinium; Intramolecular cyclization; Chemodosimeter; Anion sensor; Benzimidazole

Funding

  1. National Natural Science Foundation of China [20772014, 20923006]
  2. Fundamental Research Funds for the Central Universities [1000-893116]

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Pyridinium la underwent an efficient intramolecular cyclization initiated by fluoride ions to form highly fluorescent 1,3,4-triphenylpyrido[1,2-a]benzimidazole, providing a novel chemodosimeter for fluoride ions detection. (C) 2011 Elsevier Ltd. All rights reserved.

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