Scope of N-(4-oxo-quinazolin-3(4H)-yl)benzamides^a.

^aReaction conditions: a mixture of 1 (0.1 mmol), 2a (0.15 mmol), C4 (10 mol%), Na₂CO₃ (2.0 equiv.) and 3 Å M.S. (20.0 mg) in toluene/THF (5/1, 1.0 mL) was stirred at room temperature for 24 h.

^bReaction time was 48 h.