The reaction of phenol with chloroform in presence of dilute sodium hydroxide finally introduces aldehyde −CHOfunctional group and hydroxy group at -ortho position. The reaction is known as the Reimer Tiemann reaction.
Reimer Tiemann reaction:
The functional group which is formed when Phenol is made to react with Chloroform in the presence of dilute Sodium hydroxide
Held on 30 Apr 2015 · Verified 9 Jul 2026.
–CH2Cl
−COOH
−CHCl2
−CHO
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