question_answer

There are substantial solvent effects in the Claisen reaction, more polar solvents tend to accelerate to a greater extend. Which of the following reaction is an example of Claisen rearrangement?

A)  Photolysis of alkyl allyl ether

B)  Photolysis of alkyl phenyl ether

C)  Photolysis of aryl allyl ether

D)  Photolysis of aryl allyl ether  

Correct Answer: C

Solution :

Photolysis of aryl allyl ether leads to formation of allyl phenol. This process is known as Claisen rearrangement and believed to proceed intramolecularly.