Sonogashira Reaction - an overview | ScienceDirect Topics
Domino Sonogashira Coupling/Cyclization Reaction Catalyzed by Copper and ppb Levels of Palladium: A Concise Route to Indoles and Benzo[b]furans - Wang - 2011 - Advanced Synthesis & Catalysis - Wiley Online Library
Recent mechanistic developments and next generation catalysts for the Sonogashira coupling reaction - RSC Advances (RSC Publishing) DOI:10.1039/C4RA09105A