Acridinium Salt-Based Fluoride and Acetate Chromofluorescent Probes: Molecular Insights into Anion Selectivity Switching
- 2 October 2009
- journal article
- letter
- Published by American Chemical Society (ACS) in Organic Letters
- Vol. 11 (21), 4858-4861
- https://doi.org/10.1021/ol901935g
Abstract
A series of acridinium salt-based probes capable of detecting fluoride and acetate anions via a nucleophilic attack at the C9 position of the acridinium moiety is reported. The formation of corresponding acridane displays drastic changes, in both UV-vis absorption and fluorescence emission. The sensing mechanism is a reversible process upon treating either tetrafluoroborate salt or an acid.Keywords
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