A novel coumarin Schiff-base as a Ni(II) ion colorimetric sensor.

@article{Wang2012ANC,
  title={A novel coumarin Schiff-base as a Ni(II) ion colorimetric sensor.},
  author={L. Wang and Decheng Ye and D. Cao},
  journal={Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy},
  year={2012},
  volume={90},
  pages={
          40-4
        }
}
  • L. Wang, Decheng Ye, D. Cao
  • Published 2012
  • Chemistry, Medicine
  • Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy
A novel coumarin Schiff base compound (L) prepared from 7-diethylaminocoumarin-3-aldehyde and 3-amino-7-hydroxycoumarin was synthesized and evaluated as a chemoselective Ni(2+) sensor. Addition of Ni(2+) to CH(3)CN solution of L resulted in a rapid color change from yellow to red together with a large red shift from 465 to 516 nm. Moreover, other common alkali-, alkaline earth-, transition- and rare earth metal ions induced no or minimal spectral changes. Experimental results indicated that L… Expand
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