Synthesis of Nitrogen Containing Chalcone: A Highly Sensitive and Selective Fluorescent Chemosensor for the Fe3+ Metal Ion in Aqueous Media


Title compound (PTPO) was synthesized by the reaction of 2-acetyl pyridine with 3,4,5-trimethoxy benzaldehyde. The structure of the compound has been confirmed by spectroscopic techniques. Interaction of chalcone with different metal cations was analyzed based on the fluorescence behavior. Results show that chalcone act as on-off switching fluorescent chemosensor for selective and sensitive detection iron metal ion. Mechanism of quenching and complexation were resolute by Benesi-Hildebrand, Stern-Volmer plot and Job-plot.

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This project was funded by the Deanship of Scientific Research (DSR) at King Abdulaziz University, Jeddah, Saudi Arabia under grant no. KEP-PhD-19-130-41. The authors, therefore, acknowledge with thanks DSR for technical and financial support.

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Correspondence to Salman A. Khan.

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Asiri, A.M., Al-Amari, M.M. & Khan, S.A. Synthesis of Nitrogen Containing Chalcone: A Highly Sensitive and Selective Fluorescent Chemosensor for the Fe3+ Metal Ion in Aqueous Media. J Fluoresc 30, 969–974 (2020).

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  • Pyridine: chalcone
  • Metal ion
  • Sensor
  • Quenching