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ChemInform Abstract: Copper-Catalyzed 2:1 Coupling Reaction of Arynes with Alkynes.

✍ Scribed by Hiroto Yoshida; Takami Morishita; Hiromi Nakata; Joji Ohshita

Publisher: John Wiley and Sons
Year: 2009
Weight: 25 KB
Volume: 40
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.200924077

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## Abstract A copper‐catalyzed cross‐coupling 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 1.0–2.5 mol‐% of Cu~2~O and 1.0–2.5 mol‐% of xantphos as the catalyst.