Table 2.

Scope of the reaction.^[a]

[a] Reaction conditions: 1 a (0.05 mmol), catalyst (5 mol %), solvent (CHCl₃, 1 mL), r.t. [b] Product 2 h was obtained directly from the palladium‐catalyzed coupling, which should have provided 1 h. [c] 50 °C.