Synthesis, Characterization, Optical Properties and Theoretical Studies of Novel Substituted Imidazo[1,5-a]pyridinyl 1,3,4-Oxadiazole Derivatives |
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| Authors: | Yan-Qing Ge Teng Wang Gui Yun Duan Li Hua Dong Xiao Qun Cao Jian Wu Wang |
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| Institution: | 1. Taishan Medical University, Taian, Shandong, 271016, People’s Republic of China
2. School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong, 250100, People’s Republic of China
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| Abstract: | Novel imidazo1,5-a]pyridinyl 1,3,4-Oxadiazole derivatives were synthesized and characterised by IR, 1H NMR and HRMS.UV-vis absorption and fluorescence properties of these compounds in different solutions showed that the maximal emission wavelength was not significantly changed in different solvents; however, maximum absorption wavelength was blue-shifted with the increase of solvent polarity. Absorption λmax and emission λmax was less correlated with substituent groups on benzene rings. The calculated molecular orbital correlates well with their absorption. |
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