Table 3.

Scope of the reaction with respect to the different ketone substrates 2.^[a,b]

[a] Conditions: 1 a (0.44 mmol), 2 (0.4 mmol), K₂CO₃ (0.32 mmol), toluene (3 mL), 120 °C, 96 h, Ar. [b] Isolated yields are reported.