What is fries rearrangment acylation ?

Conversion of phenolic esters of aliphatic and aromatic carboxylic acids into ortho- and para-acylphenols in the presence of FCR catalyst (AlCl3). Is know as Fries rearrangement.

Related questions:
What is difference between Houben–Hoesch acylation reaction and Gatter- mann–Koch formylation reaction? 

More reated Questions:

Penta-1,3-diene is more stable than penta-1,4 -diene. Why?

Phenoxide ion is more stable than an alkaoxide. why?

Why does aqueous sodium bicarbonate solution dissolve carboxylic acids but not phenol though they are also acidic ?

Why enol form of Beta Dicarbonyl compound more stable than those of monocarbonyl compounds?

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Reactivity order of Pyrrole, Furan and Thiophene towards Electrophilic substitution :

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