Figure 3: The unique role of the carbon–carbon triple bond.
From: Palladium-catalysed formation of vicinal all-carbon quaternary centres via propargylation

(E)-1q and 1r failed to afford the corresponding vicinal all-carbon quaternary centres.
From: Palladium-catalysed formation of vicinal all-carbon quaternary centres via propargylation
(E)-1q and 1r failed to afford the corresponding vicinal all-carbon quaternary centres.