Question
Chemistry Question on Alcohols, Phenols and Ethers
Phenol can be converted to o-hydroxybenzaldehyde by
A
Kolbes reaction
B
Reimer-Tiemann reaction
C
Wurtz reaction
D
Cannizaro reaction
Answer
Reimer-Tiemann reaction
Explanation
Solution
Treatment of phenol with chloroform in presence of aqueous NaOH or KOH at 70∘C followed by hydrolysis gives o-hydroxybenzaldehyde (salicylaldehyde) as the major product. This reaction is called Reimer-Tiemann reaction.