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International Journal of Chemical Reactor Engineering

Ed. by de Lasa, Hugo / Xu, Charles Chunbao

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Efficient Synthesis of 1-Acetylpyrene Using [Bmim]Cl–FeCl3 Ionic Liquid as Dual Catalyst and Solvent

Min Chen / Aixia Pan / Tong He / Lulu Xu / Yu Fang / Huaming Li / Jimin Xie
Published Online: 2013-06-18 | DOI: https://doi.org/10.1515/ijcre-2012-0021


Friedel–Crafts acylation of pyrene with acetic anhydride to 1-acetylpyrene catalyzed by three metal chloride and three Lewis acidic ionic liquids (ILs) containing 1-butyl-3-methylimidazolium chloride ([Bmim]Cl) and different metal chloride was investigated. ILs were prepared and tested for the acylation to explore the effects of Lewis acidity of ILs on the synthesis of 1-acetylpyrene. [Bmim]Cl–FeCl3 was found to be the most suitable catalyst, and the possible pathway for the acylation of pyrene with acetic anhydride catalyzed by [Bmim]Cl–FeCl3-IL was discussed. Pure 1-acetylpyrene was obtained and its structure was identified by gas chromatography–mass spectrometer, Fourier transform infrared and 1H NMR spectra.

Keywords: Lewis acidic ionic liquids; Friedel–Crafts acylation; 1-acetylpyrene; acetic anhydride; catalysis


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About the article

Published Online: 2013-06-18

Citation Information: International Journal of Chemical Reactor Engineering, Volume 11, Issue 1, Pages 1–7, ISSN (Online) 1542-6580, ISSN (Print) 2194-5748, DOI: https://doi.org/10.1515/ijcre-2012-0021.

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