89241-41-8Relevant articles and documents
4-(PHENYLSULFONYL)-4H-FUROINDOLE - A STABLE SYNTHETIC ANALOGUE OF INDOLE-2,3-QUINODIMETHANE
Saulnier, Mark G.,Gribble, Gordon W.
, p. 5435 - 5438 (1983)
The N-phenylsulfonyl derivate (2) of the previously unknown fused heterocycle 4H-furo indole is synthesized from indole-3-carboxaldehyde (3) in 28percent yield and undergoes a Diels-Alder reaction with benzyne to give 5H-benzocarbazole (11) in 33percent yield after deoxygenation and deprotection.
