Stereoselective cis-Addition of Aromatic C−H Bonds to Alkynes Catalyzed by Dinuclear Palladium Complexes

Abstract
Reactions of alkynes with arenes proceeded in the presence of dinuclear palladium complexes and trialkylboranes to yield alkyne hydroarylation products with high stereoselectivity. In the reactions of monosubstituted benzenes, meta and para products were formed in statistical ratios, while no ortho isomers were detected.

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