Synthesis of indol-3-yl-benzofurans and carbazoles via Cu (OTf) 2-catalyzed [3+ 2] and [4+ 2] cycloaddition

ANS Chauhan, V Vini, A Kumar… - Organic & Biomolecular …, 2024 - pubs.rsc.org
An efficient Cu (OTf) 2-catalyzed [3+ 2] cycloaddition of indole-3-acrylate with p-
benzoquinone has been developed to construct two distinct indole-tethered benzofuran …