Baeyer-Villiger Rearrangement (Baeyer-Villiger Oxidation):
The conversion of ketone (cyclic ketone, aromatic ketone, aliphatic ketone) into corresponding esters (lactones) by using MCBPA, or hydrogen peroxide as oxidant and a Lewis acid is known as Baeyer-Villiger oxidation (Baeyer-Villeger Reaction).