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electrophilic substitution
Electrophilic substitution reactions are 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 reactions are characteristic of aromatic compounds, and are important ways of introducing functional groups onto benzene rings. The other main type of electrophilic substitution reaction is an electrophilic aliphatic substitution reaction.
== Electrophilic aromatic substitution ==
(詳細はaromatic compounds, an atom appended to the aromatic ring, usually hydrogen, is replaced by an electrophile.
The most important reactions of this type that take place are aromatic nitration, aromatic halogenation, aromatic sulfonation and acylation and alkylating Friedel-Crafts reactions.
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