Baeyer–Villiger oxidation
The Baeyer–Villiger oxidation is an organic reaction that forms an ester from a ketone or a lactone from a cyclic ketone, using peroxyacids or peroxides as the oxidant. The reaction is named after Adolf von Baeyer and Victor Villiger, who first reported the reaction in 1899.
Source: Wikipedia — Baeyer–Villiger oxidation (CC BY-SA 4.0)