Abstract 2-(Trifluoroacetoxy)pyridine (TFAP) is useful for trifluoroacetylating arenes under the Friedel–Crafts conditions. Benzene, alkylbenzenes, naphthalene, and dibenzofuran have reacted with TFAP in the presence of aluminum chloride in dichloromethane to give the corresponding trifluoromethyl aryl ketones in good isolated yields.
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KEUMI et al. (1990) studied this question.
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