Radical cascade involving a 5-endo-trig cyclization of α-amidoyl radicals

Bu3SnH-mediated radical reactions of aryl bromides 4 gave pyrrolo[1,2-b]- and isoindolo[2,1-b]isoquinoline derivatives 11 through a radical cascade process involving a 6-endo-trig cyclization of an aryl radical and a 5-endo-trig cyclization of an α-amidoyl radical.