Iron-Catalyzed Intramolecular Amination of Aliphatic C–H Bonds of Sulfamate Esters with High Reactivity and Chemoselectivity
作者:Wei Liu、Dayou Zhong、Cheng-Long Yu、Yan Zhang、Di Wu、Ya-Lan Feng、Hengjiang Cong、Xiuqiang Lu、Wen-Bo Liu
DOI:10.1021/acs.orglett.9b00660
日期:2019.4.19
It is challenging to develop simple and low cost catalytic systems while maintaining high reactivity and selectivity. An iron-catalyzed intramolecular C–H amination of sulfamate esters using simple and cheap ligands is reported with general substrate scope (31 examples, up to 95% yield). The addition of second ligand, bipyridine, is able to accelerate the reaction and increase the yield. The ready