A novel intramolecular photocyclization of methyl 2-(2,3-dimethylbut-2-enyloxymethyl)naphthalene-1-carboxylate via 1,9-hydrogen abstraction
Abstract
Irradiation of a benzene solution containing methyl 2-(2,3-dimethylbut-2-enyloxymethyl)naphthalene-1-carboxylate 1 gave an eight-membered keto ether 2 as the main product via a novel 1,9-hydrogen abstraction of the ester carbonyl group.