New fluorescent chemosensor 1 with two amidoanthraquinone groups (1-AAQs) at the lower rim of p-tert-butylcalix[4]arene has been synthesized. The significant changes of absorption and fluorescence bands show that chemosensor 1 is selective toward fluoride ion (F Γ ) over other anions such as Cl Γ ,
β¦ LIBER β¦
Fluorescent Signaling Based on Control of Excited State Dynamics. Biarylacetylene Fluorescent Chemosensors
β Scribed by McFarland, Sherri A.; Finney, Nathaniel S.
- Book ID
- 118119033
- Publisher
- American Chemical Society
- Year
- 2002
- Tongue
- English
- Weight
- 53 KB
- Volume
- 124
- Category
- Article
- ISSN
- 0002-7863
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## Abstract An excitedβstate proton transfer (ESPT) process, induced by both intermolecular and intramolecular hydrogenβbonding interactions, is proposed to account for the fluorescence sensing mechanism of a fluoride chemosensor, phenylβ1__H__βanthra(1,2β__d__)imidazoleβ6,11βdione. The timeβdepend
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