The cyclization phase of the Fischer indole synthesis. The structure and significance of Pleininger's intermediate.
D055598:Chemical Phenomena; D002621:Chemistry; D002625:Chemistry, Organic; D007211:Indoles; D007783:Lactones; D009682:Magnetic Resonance Spectroscopy; D055601:Organic Chemistry Phenomena
D007211:Indoles; D007783:Lactones