Which of the following will undergo methylation with CH₃Cl / anhyd. AlCl₃?
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For methylation, electron-donating groups like -OH and -OCH₃ on the aromatic ring facilitate the process, making compounds like Anisole and Benzoic acid more reactive.
Benzoic acid and Anisole will undergo methylation in the presence of CH₃Cl and AlCl₃, as the methoxy group in Anisole and the carboxyl group in Benzoic acid are both activating groups for methylation.