Journal
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
Volume 220, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2019.05.034
Keywords
Phthalimide; Chemosensor; Cu2+; DFT
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Funding
- Department of Science & Technology, NewDelhi, India [SB/FT/CS-039/2013]
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A new phthalimide based chemosensor 2-(Pyridin-2-yl-(pyridine-2-ylimino)methyl)isoindoline-1,3-dione (PP3) was synthesized and characterized by IR, LCMS and NMR spectroscopic methods. The metal ions sensing ability of PP3 was examined by naked-eye and UV-Vis absorption techniques. The colorless solution of PP3 turned to yellow upon addition of Cu2+ and a new absorption band appeared at 434 nm. The Job's plot and HR-MS data confirms the formation of a new complex species between PP3 and Cu2+ in 1: 1 binding stoichiometry. The sensor PP3 allowed the detection of Cu2+ down to 1.65 mu M without any remarkable interference from the other tested metal cations. (C) 2019 Elsevier B.V. All rights reserved.
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