Wize University Organic Chemistry Textbook > Aromaticity (Arenes)

Electrophilic Aromatic Substitution Reactions Overview

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Electrophilic Aromatic Substitution Reactions


Electrophilic Aromatic Substitution (EAS) reactions are a vital tool for functionalizing aromatic rings and are useful to make complex molecules. They rely on the fact that most aromatic rings are relatively electron-rich and will attack a suitable electrophile via a standard addition-type mechanism. However, since benzene is aromatic and very stable (i.e. unreative!) we use a catalyst to activate the benzene ring to force it to do chemistry!

Mechanism





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Reactions of Aromatic Rings



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Example: Electrophilic Aromatic Substitution

Provide product(s) and suitable mechanism for the following reaction: