BODIPY modified 9-cycloheptatrienylidene fluorene derivatives: Fluorescent “turn-on” for detecting Cu²⁺ with acidity independence
2012
Hu, Binbin | Su, Qiang | Lu, Ping | Wang, Yanguang
Two fluorescent chemosensors for the detection of Cu²⁺ were designed, synthesized, and fully characterized. These sensor molecules bear a 9-cycloheptatrienyl fluorene (9-CHF) unit as the Cu²⁺ receptor and a boron-dipyrromethene (BODIPY) unit as the fluorophore. Both of these two sensors present high selectivity to Cu²⁺ and high sensitivity with acidity independence. Moreover, they exhibit turn-on fluorescence, which should be more practical in the design of the fluorescent chemosensor for detecting Cu²⁺.
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