Octet / Reactions
Halogenation of Benzene
Halogenation of Benzene (Electrophilic Aromatic Substitution Aromatic.) Converts c1ccccc1 to c1ccccc1Br using Br₂, FeBr₃ (or AlBr₃).
Aromatic
Reaction details
Name
Halogenation of Benzene
Type
Aromatic
Subtype
Electrophilic Aromatic Substitution
Starting Material
c1ccccc1
Product
c1ccccc1Br
Reagents
Br₂
FeBr₃ (or AlBr₃)
Mechanism
- Smiles
c1ccccc1
- Description
Benzene
- Smiles
c1ccccc1
- Description
Br₂ + FeBr₃ → Br⁺ (electrophile)
- Smiles
c1ccccc1Br
- Description
Electrophilic attack, then loss of H⁺
Tips
Lewis acid catalyst required for benzene
Phenol and aniline react without catalyst (activated)
Halogens are ortho/para directors but deactivating
Related Reactions
eas-nitration
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