ChemInform Abstract: Synthesis of α,α‐Difluoromethylene Alkynes by Palladium‐Catalyzed gem‐Difluoropropargylation of Aryl and Alkenyl Boron Reagents.

Abstract

The Pd‐catalyzed coupling of difluoropropargyl bromides (I) and (IV) with arylboronic acids (II) is reported for the first time.