ChemInform Abstract: Synthesis of Polysubstituted Imidazoles and Pyridines via Samarium(III) Triflate‐Catalyzed [2 + 2 + 1] and [4 + 2] Annulations of Unactivated Aromatic Alkenes with Azides. Issue 9 (February 2016) - Wang, Yingchun; Li, Jiuling; He, Yan; Xie, Yuyang; Wang, Hengshan; Pan, Yingming