posted on 2013-04-19, 00:00authored byK. C. Nicolaou, Ruocheng Yu, Lei Shi, Quan Cai, Min Lu, Philipp Heretsch
A three-step sequence to access functionalized 4,5-dihydrooxepines from cyclohexenones has been developed. This approach features a regioselective Baeyer–Villiger oxidation and subsequent functionalization via the corresponding enol phosphate intermediate.