A Room-Temperature, Copper-Catalyzed Cascade Process for Diethyl 2-Aryl-3,4-dihydro-4-oxo-1,1(2H)-naphthalenedicarboxylate - Li, Zhengqiu; Fu, Liangbin; Wei, Jiajia; Ha, Chengyong; Pei, Duanqing; Cai, Qian; Ding, Ke (Synthesis, 2010)