In situ infrared spectroscopic studies of the Friedel-Crafts acetylation of benzene in ionic liquids using AlCl3 and FeCl3

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Abstract

In situ infrared spectroscopic studies have revealed that the mechanism of the Friedel-Crafts acetylation of benzene is exactly the same in ionic liquids as in 1,2-dichloroethane. The reaction of acetyl chloride with benzene in the presence of MCl3 (M = Al or Fe) in the ionic liquid 1-butyl-3-methylimidazolium chloride, ([bmim]Cl), leads to the formation of several key intermediates including the MCl3 adducts of the acetyl chloride, the acetylium ion [CH3CO]+[MCl4]-, and the final product, the MCl3 adduct of acetophenone.

Original languageEnglish
Pages (from-to)307-309
Number of pages3
JournalGreen Chemistry
Volume3
Issue number6
DOIs
Publication statusPublished - Jan 1 2001

ASJC Scopus subject areas

  • Environmental Chemistry
  • Pollution

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