Organic Letters p. 3481 - 3484 (2004)
Update date:2022-08-03
Topics:
Wang, Baomin
Bonin, Martine
Micouin, Laurent
(Chemical Equation Presented) Alkynyldimethylaluminum reagents are easily available from terminal akynes and trimethylaluminum via a triethylamine- catalyzed metalation. These compounds can react with various aromatic and heterocyclic halides in the presence of palladium in a fast and efficient way. This catalyzed cross-coupling reaction provides a simple entry to numerous internal alkynes, using a readily available, inexpensive, and nontoxic metalating agent.
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