Electrophilic Aromatic Substitution

Electrophilic aromatic substitution is an organic reaction in which an atom that is attached to an aromatic system (usually hydrogen) is replaced by an electrophile. Some of the most important electrophilic aromatic substitutions are aromatic nitration, aromatic halogenation, aromatic sulfonation, and acylation and alkylating Friedel-Crafts reactions.

Read more about Electrophilic Aromatic Substitution:  Illustrative Reactions, Effect of Substituent Groups, Reaction Mechanism, Ipso Substitution, Five Membered Heterocyclic Compounds, Asymmetric Electrophilic Aromatic Substitution, Other Reactions

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