Indoles, VIII: Formation of Indolo[3,2-b]carbazoles from 4,9-Dihydro-pyrano[3,4-b] indol-1(3H)-ones Indole, 8.Mitt: Indolo[3,2-b]carbazole aus 4,9-Dihydropyrano[3,4-b]indol-1(3H)-onen
Indoles, VIII: Formation of Indolo[3,2-b]carbazoles from 4,9-Dihydro-pyrano[3,4-b] indol-1(3H)-ones Indole, 8.Mitt: Indolo[3,2-b]carbazole aus 4,9-Dihydropyrano[3,4-b]indol-1(3H)-onen