ChemInform Abstract: One‐Pot Synthesis of Indolizine via 1, 3‐Dipolar Cycloaddition Using a Sub‐equivalent Amount of K2Cr2O7 as an Efficient Oxidant under Base Free Conditions. Issue 37 (September 2015) - Wang, Chao; Hu, Huayou; Xu, Juanfang; Kan, Weiqiu