An Efficient Synthesis and Fluorescent Properties of Pyrazole[3,4‐b]thieno[2,3‐e]pyridine Derivatives |
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| Authors: | Chang‐Sheng Yao Ke Lu Bin Song Bin Liu Tuan‐Jie Li Chen‐Xia Yu |
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| Institution: | 1. School of Chemistry and Chemical Engineering, Jiangsu Normal University, Key Laboratory of Biotechnology on Medical Plant, Xuzhou, Jiangsu, People's Republic of China;2. School of Chemistry and Chemical Engineering, Jiangsu Normal University, Key Laboratory of Green Synthetic Chemistry for Functional Materials, Xuzhou, Jiangsu, People's Republic of China |
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| Abstract: | A simple and efficient method for the synthesis of pyrazole3,4‐b]thieno2,3‐e]pyridine derivatives via the sequence of three‐component, catalyst‐free, and solvent‐free condensation and oxidation was described. The products feature a donor‐π‐conjugated acceptor fluorescent activity system, and the fluorescence emission wavelength was measured in methanol. Some products were fluorescent in solution emitting at blue light (λem = 430–505 nm). |
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