ChemInform Abstract: Copper‐Catalyzed Aza‐Diels—Alder Reaction and Halogenation: An Approach to Synthesize 7‐Halogenated Chromenoquinolines. Issue 40 (September 2016) - Yu, Xiaoqiang; Wang, Jiao; Xu, Zhanwei; Yamamoto, Yoshinori; Bao, Ming