Synthesis and Fluorescence Properties of Pyrazole Oxadiazole Derivatives

Abstract:

In order to explore high strength organic electrotransporting electroluminescent (EL) materials, twelve new pyrazole oxadiazole compounds containing the benzothiazole or benzene group in the 1 position of pyrazole, the aromatic group in the 3 position of pyrazole and the formacyl group in the 4 position of pyrazole were designed and synthesized. A new method of synthesizing 1,3,4-oxadiazole compound was described. Their structures were characterized by IR, MS, ¹H NMR spectra and elemental analysis. The fluorescence properties were measured by fluorometry. The results showed that the target compounds had good fluorescence and λ_em ranged from 410nm to 450 nm and fluorescence quantum yields up to 0.69.

• Periodical: Advanced Materials Research (Volumes 455-456)
• Pages: 565-574
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.455-456.565
• Online since: January 2012
• Authors: Dong Feng Li, Yun Wang, Guo Cheng Yang, Xin Rong Ma, Shuang Han, Rong Guang Song, Zhi Yuan Xie
• Keywords: Benzothiazole, Fluorescence, Oxadiazole, Pyrazole

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