Chemodivergent and Stereoselective Construction of <i>gem</i>-Difluoroallylic Amines from Masked Difluorodiazo Reagents
作者:Jun-Liang Zeng、Yue Zhang、Meng-Meng Zheng、Zhi-Qi Zhang、Xiao-Song Xue、Fa-Guang Zhang、Jun-An Ma
DOI:10.1021/acs.orglett.9b02989
日期:2019.10.18
report a general and efficient approach to construct achiral and chiral gem-difluoroallylic amines from a masked difluorodiazo reagent (PhSO2CF2CHN2) and readily available imines. This facile protocol takes advantage of the phenylsulfonyl and diazo moieties as efficient activating and directing groups to assist difluoroalkyl incorporation and facilitate the chemodivergent and stereoselective formation