Using an irreversible intramolecular cyclisation pathway triggered by gold ions, a boron-dipyrromethene (BODIPY) based fluorescent probe integrated with a reactive Z-enynol motif responds selectively to gold ions. With the addition of gold(III), the probe displays ratiometric fluorescence behaviour clearly observable to the naked eye under both visible and UV light.
M. Üçüncü, E. Karakuş and M. Emrullahoğlu, Chem. Commun., 2016, 52, 8247 DOI: 10.1039/C6CC04100K
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