The intermolecular Friedel–Crafts acylation of aromatic compounds (such as toluene, m-xylene, and anisole) with various acid chlorides proceeds by using a catalytic amount of bromopentacarbonylrhenium(I) to afford aryl ketones. Intramolecular acylation is also catalyzed by the above-mentioned catalyst to give indanone and tetralone derivatives.
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Kusama et al. (1995) studied this question.
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