Friedel-Crafts acylation is an electrophilic aromatic substitution reaction that introduces an acyl group into an aromatic ring, typically using an acid chloride and a Lewis acid catalyst. This reaction is crucial in organic synthesis as it helps create more complex aromatic compounds, while preserving the integrity of the aromatic system. It relates to various concepts including the reactivity of benzene and its derivatives, the behavior of polycyclic aromatic hydrocarbons, and the role of acid chlorides as acylating agents.
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