Palladium-catalyzed sequential indole synthesis using sterically hindered amines
作者:Lutz Ackermann、René Sandmann、Marvin Schinkel、Mikhail V. Kondrashov
DOI:10.1016/j.tet.2009.07.073
日期:2009.10
A palladium catalyst derived from a bulky N-heterocyclic carbene ligand enabled a modular synthesis of indoles bearing sterically hindered N-alkyl or N-aryl substituents through a reaction sequence comprising an intermolecular N-arylation and an intramolecular hydroamination.