N,N′-(Phenylmethylene)diacetamide Analogues as Economical and Efficient Ligands in Copper-Catalyzed Arylation of Aromatic Nitrogen-Containing Heterocycles - Wan, Jie-Ping; Chai, Yun-Feng; Wu, Jian-Mei; Pan, Yuan-Jiang (Synlett, 2008)