A convenient synthetic route to 2-diphenylphosphinoyl-3-hydroxy, amino and alkyl indole derivatives

Article abstract of DOI:10.1016/S0040-4020(01)90195-4

A series of 2-diphenylphosphinoyl-3-hydroxy, amino and alkyl indole derivatives have been efficiently prepared by base-induced intramolecular cyclization of aromatic Horner-Wittig reagents containing carboxamido, cyano and oxo groups, respectively.