A macrocycle containing an aminocoumarin fluorophore showed two different fluorescence emission bands on binding with certain anions. Proton transfer from the fluorophore excited state occurred depending on the basicity of the bound anion (see scheme, A-: anion) and this new pathway makes more-sensitive anion sensing possible.
|Original language||English (US)|
|Number of pages||4|
|Journal||Angewandte Chemie - International Edition|
|State||Published - Oct 15 2001|
- Host-guest systems
- Molecular recognition
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