ZnCl2-Catalyzed Intramolecular Cyclization Reaction of 2-Aminochalcones Using Polymer-Supported Selenium Reagent: Synthesis of 2-Phenyl-4-quinolones and 2-Phenyl-2,3-dihydroquinolin-4(1H)-one - Tang, E; Chen, Bangzheng; Zhang, Lianpeng; Li, Wen; Lin, Jun (Synlett, 2011)