Efficient Copper-Catalyzed Cross-Couplin
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Che-Hung Lin; Yu-Jen Wang; Chin-Fa Lee
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Article
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2010
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John Wiley and Sons
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English
β 110 KB
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## Abstract A copperβcatalyzed crossβcoupling reaction of alkynes with aryl iodides is described. The system tolerates a broad range of functional groups and enables the use of sterically demanding substrates with only 1.0β2.5 molβ% of Cu~2~O and 1.0β2.5 molβ% of xantphos as the catalyst.