Expeditious synthesis of 2,3-dihydro-1H-pyrrolo[1,2-a]indoles, pyrroloindole quinones, and related heterocycles via Nenitzescu-type condensation of quinone monoketals with exocyclic enamino esters
Routes to mitomycins. New syntheses of the 2,3,5,8-tetrahydro-5,8-dioxo-1H-pyrrolo[1,2-a]indole ring system. An efficient synthesis of 7-methoxymitosene