Exclusive 5-exo-dig Hydroarylation of o-Alkynyl Biaryls Proceeding via G-H Activation Pathway

摘要

Intramolecular palladium-catalyzed hydroarylation of alkynes was first reported by Fujiwara in 2000. Shortly after, other transition-metal- and Lewis acid-catalyzed versions of this transformation emerged, and the method quickly became a powerful tool for