Highly Active Palladium Catalyst for the Sonogashira Coupling Reaction of Unreactive Aryl Chlorides

This communication reports on the β‐diketiminatophosphane palladium‐catalyzed copper‐free Sonogashira coupling of aryl chlorides with alkynes. A catalyst loading of 0.5 mol% is sufficient to achieve high performance under relatively mild reaction conditions. Furthermore, dialkynylbenzenes are effici...

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Bibliographic Details
Published in:Advanced synthesis & catalysis 2011-11, Vol.353 (17), p.3090-3094
Main Authors: Lee, Dong-Hwan, Kwon, Young-Jun, Jin, Myung-Jong
Format: Article
Language:English
Subjects:
Alkynes
Aromatic compounds
aryl chlorides
Catalysis
Catalysts
Catalysts: preparations and properties
Chemistry
Chlorides
Couplings
cross-coupling
Dichlorides
Exact sciences and technology
General and physical chemistry
homogeneous catalysts
Joining
Kinetics and mechanisms
Organic chemistry
palladium
phosphane ligands
Reactivity and mechanisms
Sonogashira reaction
Synthesis
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
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Summary:This communication reports on the β‐diketiminatophosphane palladium‐catalyzed copper‐free Sonogashira coupling of aryl chlorides with alkynes. A catalyst loading of 0.5 mol% is sufficient to achieve high performance under relatively mild reaction conditions. Furthermore, dialkynylbenzenes are efficiently prepared by one‐pot double Sonogashira couplings of aryl dichlorides.
ISSN:1615-4150
1615-4169
1615-4169
DOI:10.1002/adsc.201100747