Question

Exemplify the following reactions :
(a) Sandmeyer reaction
(b) Reimer-Tiemann reaction

Answer 1

Answer:

[A]. The sandmeyer reaction is a chemical reaction used to synthesize aryl halides from aryl diazonium salts using copper salts as reagents or catalysts. It is an example of a radical-nucleophilic aromatic substitution.

[B]. Reimer-Tiemann reaction → When phenol is treated with chloroform in the presence of sodium hydroxide, a −CHO group is introduced at the ortho position of the benzene ring. This reaction is known as the Reimer-Tiemann reaction. The intermediate is hydrolyzed in presence of alkalis to produce salicylaldehyde

Explanation:

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