Synthesis of 4‐aryl‐2,3,6,7‐tetrahydro‐1H‐pyrimido[4,5‐b][1,4]‐diazepin‐6‐ones from 4,5‐diamino‐1H‐pyrimidin‐6‐ones and 1‐aryl‐3‐(dimethylamino)‐1‐propanones | Publicación