Articles

Synthesis and Photophysics of Novel Zn Metal Complexes Based on 2-Substituted-8-hydroxyquinoline with Nitrobenzene Groups

  • Huo Yanping ,
  • Dai Lili ,
  • Huang Baohua ,
  • Zhang Kun ,
  • Fang Yanxiong ,
  • Liu Jun
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  • Faculty of Light Industry and Chemical Engineering, Guangdong University of Technology, Guangzhou 510006

Received date: 2011-07-05

  Revised date: 2011-11-06

  Online published: 2012-03-24

Supported by

Project supported by the National Natural Science Foundation of China (Nos. 20802010, 21172047).

Abstract

Three 8-hydroxyquinoline derivatives (E)-2-[2-(2-nitrophenyl)vinyl]-8-hydroxyquinoline (4a), (E)-2-[2-(3-nitrophenyl) vinyl]-8-hydroxyquinoline (4b), (E)-2-[2-(4-nitrophenyl)vinyl]-8-hydroxyquinoline (4c) and their zinc complexes 5a~5c have been synthesized and identified by 1H NMR, FFIR, MS techniques and elemental analyses. The aggregation behavior of Zn(OAc)2 and the ligands 4a~4c in solution was investigated by UV-vis. The luminescence properties of compounds 5a~5c were investigated by fluorescence spectra in solid and DMF solution at room temperature. The results showed that the λmax of compounds 5a~5c were 596, 625 and 592 nm in solid, and were 562, 536 and 618 nm in DMF solution. The comparative study of the luminescent properties of 5a~5c showed that the emission λmax can be tuned by introducing nitro groups at different positions of benzene.

Cite this article

Huo Yanping , Dai Lili , Huang Baohua , Zhang Kun , Fang Yanxiong , Liu Jun . Synthesis and Photophysics of Novel Zn Metal Complexes Based on 2-Substituted-8-hydroxyquinoline with Nitrobenzene Groups[J]. Chinese Journal of Organic Chemistry, 2012 , (03) : 538 -543 . DOI: 10.6023/cjoc1107051

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