Development of Fluorescent Sensing of Anions under Excited-State Intermolecular Proton Transfer Signaling Mechanism
Authors:
- 1 July 2003
- journal article
- letter
- Published by American Chemical Society (ACS) in Organic Letters
- Vol. 5 (15) , 2667-2670
Abstract
A substantially red-shifted fluorescence emission in 3-hydroxyl-2-naphthanilide in acetonitrile was developed and drastically enhanced upon addition of anions such as F-, AcO-, and H2PO4-, with the enhancement depending on anion basicity. Excited-state intermolecular proton transfer in the sensor−anion hydrogen-bonding complex was suggested to be the signaling mechanism.Keywords
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