Remote photocyclization of (dibenzylamino)ethyl benzoylacetate. Intramolecular hydrogen abstraction through a ten-membered cyclic transition state
Abstract
(Dibenzylamino)ethyl benzoylacetate (1) undergoes photocyclization via intramolecular hydrogen abstraction through a ten-membered cyclic transition state to give eight-membered azalactones (2) and (3).