Copper-Promoted Oxidative C-H Bond Amination of Hydrazones:Synthesis of 1 H-Indazoles and 1 H-Pyrazoles
Ding Zhengwei, Tan Qitao, Liu Bingxin, Zhang Kea, Xu Bin
Acta Chim. Sinica . 2015, (12): 1302 -1306 .  DOI: 10.6023/A15040263