substitution reaction
chemical reaction during which one functional group in a chemical compound is replaced by another functional group
sulfonation
organic reaction in which a hydrogen atom is replaced by a sulfonic acid functional group
electrophilic substitution
Chemical reactions in which an electrophile displaces a functional group in a compound, which is typically, but not always, a hydrogen atom.
electrophilic aromatic substitution
chemical reaction which attaches an electrophile to an aromatic ring
radical substitution
substitution reaction in organic chemistry involving free radicals