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    Optical and electrochemical dual channel sensing of Cu2 + using functionalized furo[2,3-d]pyrimidines-2,4[1H,3H]-diones

    Kumar, Manoj and Kumawat, Lokesh Kumar and Bhatt, Priyanka and Jha, Anjali and Agarwal, Shilpi and Sharma, Anuj and Gupta, Vinod Kumar (2017) Optical and electrochemical dual channel sensing of Cu2 + using functionalized furo[2,3-d]pyrimidines-2,4[1H,3H]-diones. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 181. pp. 73-81. ISSN 1386-1425

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    Owing to their easy accessibility and high degree of structural and functional diversity, many multicomponent reactions (MCRs) have been a rich source of conjugate π-systems, functionalised chromophores (or fluorophore) and redox active molecules. Despite their high explorative potential and practical benefits, only a few MCR products have been so far investigated for their metal sensing abilities. In the present report, two furopyrimidinones (FPys) based molecular systems have been synthesized by [4 + 1] cycloaddition based MCR sequence. Designed chemosensors displayed optic (absorption spectra) as well as electroanalytical (ion selective electrode) response toward Cu2 + ion in solution and membrane phase respectively (dual channel sensing). Different aspects of both the sensing phenomena such as selectivity, association constants, detection limit, membrane composition etc. were studied in detail using UV–Vis spectroscopy, NMR titration and cell assembly. Both the compounds showed excellent performance characteristics such as high selectivity, acceptable affinity and low detection limits (10− 7 M) in both sensing assays with potential utility in the area of sample monitoring.

    Item Type: Article
    Keywords: Furopyrimidinones; MCR; Sensor; Dual channel sensing; ISE;
    Academic Unit: Faculty of Science and Engineering > Chemistry
    Item ID: 11599
    Identification Number:
    Depositing User: IR Editor
    Date Deposited: 05 Nov 2019 16:54
    Journal or Publication Title: Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
    Publisher: Elsevier
    Refereed: Yes
    Use Licence: This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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