ChemInform Abstract: Synthesis of 3‐Oxo‐1, 4‐diazepine‐5‐carboxamides and 6‐(4‐Oxo‐chromen‐3‐yl)‐pyrazinones via Sequential Ugi 4CC/Staudinger/Intramolecular Nucleophilic Cyclization and Ugi 4CC/Staudinger/Aza‐Wittig Reactions. Issue 11 (March 2015)