Explain the following with an example.

Reimer-Tiemann reaction.


Reimer-Tiemann reaction: The Reimer Tiemann reaction is a chemical reaction used for the ortho-formylation of phenols, with the simplest example being the conversion of phenol to salicylaldehyde.


When phenol is treated at 340K with chloroform and alkali, it forms salicylaldehyde.



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