Chitosan@Cu 2O as A Facile, Efficient and Reusable Catalyst for Ligand-Free C-O and C-N Coupling
Qian Cunwei, Zhu Wenqian, Liu Junlong, Wang Xuemin, Qiu Ligan
Chin. J. Org. Chem. . 2019, (6): 1695 -1703 .  DOI: 10.6023/cjoc201812003