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Sunday, 23 November 2014 00:00

18. Efficient Copper-free Sonogashira Coupling of Aryl Chlorides with Palladium on Charcoal

Efficient Copper-free Sonogashira Coupling of Aryl Chlorides with Palladium on Charcoal, Anna Komáromi, Zoltán Novák, Chem. Commun. 2008, 4968-4970. DOI: 10.1039/b810928a | [Supp. Info Link]

Palladium on charcoal serves as an efficient and reusable solid supported catalyst for the Sonogashira coupling of aryl chlorides with terminal acetylenes in the presence of a bulky, electron-rich biphenyl type ligand (XPhos), without copper co-catalyst.

zng pub 18