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Phenol on treatment with in the presence of NaOH followed by acidification produces compound X as the major product. X on treatment with O in the presence of catalytic amount of produces:
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Two different reactions are taking place here Kolbe–Schmitt reaction and esterification reaction (treatment of the product of Kolbe–Schmitt reaction with
The two reactions can be written as follows:
1.Kolbe–Schmitt reaction: reaction of phenol with carbon dioxide in the presence of sodium hydroxide, followed by acidification converts phenol to 1−1− hydroxybenzoic acid (Salicylic acid).
2.Esterification reaction: The salicylic acid is then reacted with acetic anhydride to form aspirin.
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