Sulfonamide-Directed Chemo- and Site-Selective Oxidative Halogenation/Amination Using Halogenating Reagents Generated in Situ from Cyclic Diacyl Peroxides
作者:Denghu Chang、Rong Zhao、Congyin Wei、Yuan Yao、Yang Liu、Lei Shi
DOI:10.1021/acs.joc.8b00243
日期:2018.3.16
The combination of cyclicdiacylperoxides with commercially available halide salts as a unique halogenating system is utilized in Hofmann–Löffler–Freytag-type reaction. This strategy allows for the formation of N-chloroamides, δ-brominated products, and even biologically relevant pyrrolidines under mild conditions in moderate to excellent yields. Meanwhile, the preliminary structure of the in situ