Journal of South China University of Technology(Natural Science Edition) ›› 2012, Vol. 40 ›› Issue (5): 46-51.

• Chemistry & Chemical Engineering • Previous Articles     Next Articles

Synthesis of Coumarin-Schiff Base Compounds and Metal Ion Recognition Performances of the Products

Wang Ling-yun  Ye De-cheng  Cao De-rong   

  1. School of Chemistry and Chemical Engineering,South China University of Technology,Guangzhou 510640,Guangdong,China
  • Received:2011-12-30 Revised:2012-02-20 Online:2012-05-25 Published:2012-03-31
  • Contact: 汪凌云(1978-) ，女，博士，副研究员，主要从事生物有机与功能材料研究． E-mail:lingyun@ scut.edu.cn
  • About author:汪凌云(1978-) ，女，博士，副研究员，主要从事生物有机与功能材料研究．
  • Supported by:

    国家自然科学基金资助项目( 20904010)

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Abstract:

3-aminocoumarin and its derivatives are of great research value. In this paper,first,3-amino-7-hydroxycoumarin ( 1) was synthesized via a Perkin reaction,with 2,4-dihydroxybenzaldehyde and N-acetylglycine as the materials. Then,two kinds of coumarin-Schiff base compounds ( 4a and 4b) were prepared via the condensation of compound 1 respectively with 7-diethylaminocoumarin-3-aldehyde and 2,4-dihydroxybenzaldehyde. Finally,the
structures,photo-physical properties and metal ion recognition performances of 4a and 4b were characterized by means of FT-IR,NMR,UV-Vis and fluorescence spectroscopy. The results indicate that both 4a and 4b show weak fluorescence emission,and that 4a can be used as a potential Ni2 + colorimetric chemosensor due to its high-efficiency selective recognition of Ni2 +.

Key words: coumarin, synthesis, Perkin reaction, Schiff base

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