Journal
ADVANCED SYNTHESIS & CATALYSIS
Volume 353, Issue 17, Pages 3090-3094Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201100747
Keywords
aryl chlorides; cross-coupling; homogeneous catalysts; palladium; phosphane ligands; Sonogashira reaction
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Funding
- National Research Foundation of Korea
- Korean Government [2011-0003169]
- Inha University
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This communication reports on the beta-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
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