Copper-catalyzed tri- or tetrafunctionalization of alkenylboronic acids to prepare tetrahydrocarbazol-1-ones and indolo[2,3-<i>a</i>]carbazoles
Hong‐Yan Bi, Cheng-Jing Li, Wei Cui, Cui Liang, Dong‐Liang Mo
Abstract
An efficient cascade strategy for high site-marked tri-/tetrafunctionalization of alkenylboronic acids to prepare tetrahydrocarbazol-1-ones and indolo[2,3-<italic>a</italic>]carbazoles with HOOBT and arylhydrazines as O- and N-sources, respectively, was reported.
Topics & Concepts
CatalysisChemistryCopperOrganic chemistryCatalytic C–H Functionalization MethodsSulfur-Based Synthesis TechniquesSynthesis of Indole Derivatives