Synthesis,X-Ray Crystal Structures and Optical Properties of Novel Substituted Pyrazoly 1,3,4-Oxadiazole Derivatives |
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| Authors: | Hong-Shui Lv Yong-Sheng Xie Wei-Yong Liu Zhong-Liang Gong Bao-Xiang Zhao |
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| Institution: | (1) Institute of Organic Chemistry, School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, People’s Republic of China;(2) Department of Chemical and Environment Engineering, Chongqing Three Gorges University, Chongqing, 404000, People’s Republic of China; |
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| Abstract: | Novel pyrazoly 1,3,4-oxadiazole derivatives were synthesized and characterized by 1H NMR, IR, HRMS and X-ray diffraction analysis. UV–vis absorption and fluorescence properties of these compounds in different
solutions showed that the maximum absorption wavelength was not significantly changed in different solvents; however, maximal
emission wavelength was red-shifted with the increase of solvent polarity. Absorption λmax and emission λmax was less correlated with substituent groups on aryl rings. |
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