ChemInform Abstract: Enantioselective 1, 3‐Dipolar Cycloaddition of Azomethine Imines with Propioloylpyrazoles Induced by Chiral π—Cation Catalysts. Issue 15 (April 2015) - Hori, Masahiro; Sakakura, Akira; Ishihara, Kazuaki