Cross-Linked Chitosan Bead Supported Copper Complex in Water as a Green and Efficient Catalytic Protocol for Ullmann Reaction
Lü Xiaomei, Ruan Jiancheng, Chen Xinzhi, Qian Chao
Chin. J. Org. Chem. . 2019, (6): 1720 -1726 .  DOI: 10.6023/cjoc201901018