Journal
CHEMICAL COMMUNICATIONS
Volume 46, Issue 23, Pages 4070-4072Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c003230a
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Funding
- University of Akron
- Coleman endowment
- National Science Foundation [CHE-9977144]
- Direct For Mathematical & Physical Scien [0821313] Funding Source: National Science Foundation
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A bis(benzoxazole) derivative with metal-chelating ligand (DPA), Zinhbo-1, exhibits a large fluorescence turn-on effect (up to 10-fold) upon zinc-binding. The metal chelation enables excited state intramolecular proton transfer (ESIPT), giving an additional emission band in the near-IR region (similar to 710 nm) with a large Stokes shift (ca. 230 nm).
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