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Date of Publication:2022-10-10

Journal:有机化学

Affiliation of Author(s):化工学院

Volume:34

Issue:8

Page Number:1623-1629

ISSN No.:0253-2786

Abstract:By condensation of
   7-(dimethylamino)-2-oxo-2H-benzo[b][1,4]oxazine-3-carbaldehyde (T1) and
   2-aminomethyl-pyridine, an aminal NC-1 rather than a Schiff base was
   synthesized. The synthetic mechanism was likely to be determined by
   stabilizing effect of intramolecular hydrogen bond, which was proved
   through density functional theory (DFT) calculations and control
   molecules NC-2~NC-4. Furthermore, the spectroscopic tests indicated that
   NC-1 behaves as a fluorescent probe for sensing Cd~(2+), Zn~(2+) and
   Cu~(2+) by different fluorescence and color changes which can be
   observed by naked eyes.

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