ChemInform Abstract: Green Synthesis of 5‐Aryl‐(1H, 3H, 5H, 10H)‐pyrimido[4, 5‐b]quinoline‐2, 4‐diones Catalyzed by 1, 4‐Diazabicyclo[2.2.2]octane in Water. Issue 44 (4th November 2014)