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Effect of the electron-absorbing group on the fluorescent properties of 1, 3, 5-triarylpyrazoline
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ZHANG Yulu1, SHANG YuJie1, LI Wenyu1, LIU Yanqi1, ZHANG Dawei1, REN Lu2*
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1 College of Chemistry and Pharmaceutical Engineering, Jilin Institute of Chemical Technology, Jilin City 132022, China
2 College of Aeronautical Engineering, Jilin Institute of Chemical Technology, Jilin City 132022, China
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Abstract
In this paper, six 1,3,5-triarylpyrazoline compounds were synthesized under the catalysis of vitamin B1 by using substituted benzaldehyde and substituted acetophenone, with a yield of 75–93%. The method is convenient to operate and does not require acid, alkali and metal ions, vitamin B1 has good catalytic effect, non-toxic, green environmental protection can be commercially purchased. FT-IR, 1H NMR, and HR-MS characterization were performed to determine the structure of the compound. The influence of the substituents on the fluorescence spectra of 1, 3, 5-triarylpyrazoline was studied by measuring the fluorescence spectra.
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Published: 25 September 2023
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