Which of the following conversions represents | vedclass

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(A) Key Idea: The Fries rearrangement is the rearrangement of a phenolic ester to a hydroxy aryl ketone in the presence of a Lewis acid catalyst.In th

Vedclass · Accepted Answer

$O$-acylated phenol to $C$-acylated phenol

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(A) Key Idea: The Fries rearrangement is the rearrangement of a phenolic ester to a hydroxy aryl ketone in the presence of a Lewis acid catalyst.In this reaction,the acyl group $(RCO-)$ migrates from the oxygen atom of the ester to the ortho or para position of the benzene ring.Thus,it represents the conversion of an $O$-acylated phenol (phenolic ester) to a $C$-acylated phenol (hydroxy aryl ketone).Therefore,option $(A)$ is correct.The reaction is as follows:$C_6H_5OCOR \xrightarrow{AlCl_3} o-HOC_6H_4COR + p-HOC_6H_4COR$

Which of the following conversions represents the Fries rearrangement?

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