Important reactions with aromatic compounds include the variations of electrophilic aromatic substitution: Halogenation, Nitration, Sulfonation, Friedel-Crafts Alkylation, Friedel-Crafts Acylation. Further reactions of aromatic compounds include Nucleophilic Aromatic Substitution and the side-chain reactions Alkylbenzene Oxidation and Alkylbenzene Halogenation.