Octet / Reactions
Sulfonation of Benzene
Sulfonation of Benzene (Electrophilic Aromatic Substitution Aromatic). Starts from Benzene with SO₃, H₂SO₄ (fuming). Mechanism in 2 steps.
Aromatic
Reaction details
Name
Sulfonation of Benzene
Type
Aromatic
Subtype
Electrophilic Aromatic Substitution
Starting Material
c1ccccc1
Product
c1ccccc1S(=O)(=O)O
Reagents
SO₃
H₂SO₄ (fuming)
Mechanism
- Smiles
c1ccccc1
- Description
Benzene
- Smiles
c1ccccc1S(=O)(=O)O
- Description
Benzenesulfonic acid
Tips
Reversible reaction (unlike other EAS)
Sulfonation blocks position (protecting group strategy)
Desulfonation: H₂O/H⁺, heat
Related Reactions
eas-nitration
eas-halogenation
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