A VERSATILE AND EFFICIENT PROCESS TO 3-SUBSTITUTED INDOLES FROM ANILINES
Borane-mediated reductive elimination of α-thiomethyl-, α-hydroxy-, or α-alkoxy-, α'-substituted oxindoles affords 3-substituted indoles in high yield.Isatins, available via several routes from oxindoles, also afford indoles.
Wierenga, Wendell,Griffin, John,Warpehoski, Martha A.