The photostimulated reaction of enolate anions of cyclic aromatic ketones such as substituted indan‐1‐ones and 3,4‐dihydro‐2H‐naphthalen‐1‐one with o‐iodoaniline in DMSO affords 1‐, 2‐, 3‐, and 4‐methoxy‐5,10‐dihydroindeno[1,2‐b]indoles (34‐40%), 1,2‐, 1,4‐, and 2,3‐dimethoxy‐5,10‐dihydroindeno[1,2‐b]‐indoles (31‐43%), and 1‐, 2‐, and 3‐methoxy‐5,11‐dihydro‐6H‐benzo[a]carbazoles (42‐61%) by the SRN1 mechanism in one pot reactions.
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