Photochemical Reactions 127th CommunicationPhotochemistry of Epoxy-enones: Intramolecular Trapping of a Carbonyl Ylide
作者:Shigeru Ohta、Bruno Frei、Oskar Jeger
DOI:10.1002/hlca.19820650802
日期:1982.12.15
δ-epoxy ketones undergoing primarily C(γ), O-cleavage of the oxiran. However, 1π, π*-excitation of (E)−4 leads to enol ether 10 which is formed by intramolecular insertion of the hydroxyl group of the ylide c.