Chem. J. Chinese Universities ›› 1997, Vol. 18 ›› Issue (1): 85.

• Articles • Previous Articles     Next Articles

Studies on 2, 5-Diaryloxadiazoles (Ⅲ)—The Synthesis, Spectra and optical Properties of trans-2-{4-[2-(4-R-phenyl) ethenyl]phenyl}-5-(4-biphenyl)oxadiazole

ZHANG Wen-Qin2, YANG Mei1, SUN Yan1, ZHOU Yi-Min1   

  1. 1. Department of Chemistry, Nankai Uniuersity, Tianjin Uniuersity, Tianjin, 300072;
    2. Department of Chemistry, Tianjin Uniuersity, Tianjin, 300072
  • Received:1996-01-02 Online:1997-01-24 Published:1997-01-24

Abstract: Eight of trans-2-{4-[2-(4-R-Phenyl) ethenyl] phenyl} -5- (4-biphenyl) oxadiazoles (R=H, i-Pr, t-Bu, Ph, OMe, F, Cl, Br) were synthesized.Their UV, MS, FLspectra,fluorescence quantum yields and laser conversion efficiencies as well as fluorescence lifetime,laser turning range are given and discussed.

Key words: Diaryloxadiazole, Electron spectrum, Laser conversion efficience

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