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  • Reaction of phenol with chloroform in presence of dilute sodium hydroxide finally introduces which one of the following functional grou

Reaction of phenol with chloroform in presence of dilute sodium hydroxide finally introduces which one of the following functional group ?

Option: 1

-CH2Cl


Option: 2

-COOH


Option: 3

-CHCl2


Option: 4

-CHO


Answers (1)

best_answer

 

 

Reimer Tiemann's reaction -

The electrophile used is :Ccl_{2} (dichlorocarbone) -CHO is introduced in the ortho position.

- wherein

 

  

 The reaction of phenol with chloroform in the presence of dilute sodium hydroxide finally introduces aldehyde -CHO functional group and hydroxy group at -ortho position. The reaction is known as Reimer - Tiemann reaction.

Hence, the option number (4) is correct.

Posted by

seema garhwal

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