Electrophilic aromatic substitution reactions of pyridine normally occur at $C 3$. Draw the catbocation intermediates resulting from reaction of an electrophite at $\mathrm{Cl}, \mathrm{C} 2$, and $C 3$, and explain the observed result.
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Electrophilic aromatic substitution reactions involve the attack of an electrophile on the aromatic ring of a compound. In the case of pyridine, the electrophilic substitution reactions typically occur at the C3 position. Show more…
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