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Synthesis and photoluminescence properties of 8-hydroxyquinoline derivatives and their metallic complexes

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  • Published:
Frontiers of Chemistry in China

Abstract

Three new 8-hydroxyquinoline derivatives, i.e. 5-[(4-styryl-benzylidene)-amino]-quinolin-8-ol (1), 5-[(4-bromo-2-fluoro-benzylidene)-amino]-quinoline-8-ol (2) and 2-[2-(9-ethyl-9H-carbazol-2yl)-vinyl]-quinolin-8-ol (3), and their metallic complexes were synthesized and identified by ultraviolet-visible (UV-Vis), 1H nuclear magnetic resonance (1H NMR), Fourier transform infrared spectrometer (FTIR), mass spectrometry (MS) spectra and elemental analyses. Their fluorescence properties were studied by photoluminescence, which indicated that the luminescence wavelength of 5-and 2-substitued-8-hydroxyquinoline derivatives shifted to red in comparison with that of 8-hydroxyquinoline. Meanwhile, the fluorescence lifetime of 2-[2-(9-ethyl-9H-carbazol-2yl)-vinyl]-quinolin-8-ol and its zinc complex showed long lifetime in benzene solution.

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Authors and Affiliations

  1. Institute of Functional Molecular, School of Chemistry, South China University of Technology, Guangzhou, 510641, China

    Ouyang Xinhua, Zeng Heping & Xie Yan

Authors
  1. Ouyang Xinhua
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  2. Zeng Heping
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  3. Xie Yan
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Corresponding authors

Correspondence to Ouyang Xinhua or Zeng Heping.

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Translated from Chinese Journal of Organic Chemistry, 2007, 27(3): 402–408 [译自: 有机化学]

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Ouyang, X., Zeng, H. & Xie, Y. Synthesis and photoluminescence properties of 8-hydroxyquinoline derivatives and their metallic complexes. Front. Chem. China 2, 407–413 (2007). https://doi.org/10.1007/s11458-007-0077-6

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  • DOI: https://doi.org/10.1007/s11458-007-0077-6

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