Articles

Synthesis and Properties of an Aza-coumarin Based Sensor for Detection of Zn2+, Cd2+ and Cu2+

  • Fan Jiangli ,
  • Xu Qunli ,
  • Zhu Hao ,
  • Peng Xiaojun
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  • State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024

Received date: 2014-03-11

  Revised date: 2014-04-04

  Online published: 2014-04-18

Supported by

Project supported by the National Natural Science Foundation of China (No. 21136002), the Program for New Century Excellent Talents in University (No. NCET-12-0080) and the Natural Science Foundation of Liaoning Province (No. 2013020115).

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 Cd2+, Zn2+ and Cu2+ by different fluorescence and color changes which can be observed by naked eyes.

Cite this article

Fan Jiangli , Xu Qunli , Zhu Hao , Peng Xiaojun . Synthesis and Properties of an Aza-coumarin Based Sensor for Detection of Zn2+, Cd2+ and Cu2+[J]. Chinese Journal of Organic Chemistry, 2014 , 34(8) : 1623 -1629 . DOI: 10.6023/cjoc201403024

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