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Luminescent Benzothiazole-Based Fluorophore of Anisidine Scaffoldings: a “Turn-On” Fluorescent Probe for Al3+ and Hg2+ Ions

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Abstract

A new anisidine possessing benzothiaozle-based chemosensor (1) has been designed and synthesized. The chemosensor 1 was designed to provide hard base environment for ratiometric detection of comparatively less studied Al3+ ions. In CH3CN, the fluorescence spectra of chemosensor 1 red shifted from 368 to 430 nm with addition of Al3+ and Hg2+ ions; while Cu2+ ions caused quenching of emission intensity of 1. These differential changes observed with Al3+ and Cu2+ ions addition enabled chemosensor 1 to construct “NOR” and “TRANSFER” logic gates.

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Acknowledgements

The authors are greatly thankful to SAIF, Panjab University Chandigarh for recording the NMR and Mass spectra and are grateful to DST (grant no. SR/FT/CS-36/2011), UGC (grant no. AB2/12/3115) and DST PURSE-II (Grant no. 48/RPC) for the fellowship.

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Authors and Affiliations

  1. Department of Chemistry, Panjab University, Chandigarh, 160014, India

    Gargi Dhaka, Navneet Kaur & Jasvinder Singh

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  1. Gargi Dhaka
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  2. Navneet Kaur
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  3. Jasvinder Singh
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Correspondence to Navneet Kaur.

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Dhaka, G., Kaur, N. & Singh, J. Luminescent Benzothiazole-Based Fluorophore of Anisidine Scaffoldings: a “Turn-On” Fluorescent Probe for Al3+ and Hg2+ Ions. J Fluoresc 27, 1943–1948 (2017). https://doi.org/10.1007/s10895-017-2148-5

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