Nickel‐Catalyzed Asymmetric Reductive Heck Cyclization of Aryl Halides to Afford Indolines
作者:Xurong Qin、Marcus Wen Yao Lee、Jianrong Steve Zhou
DOI:10.1002/anie.201707134
日期:2017.10.2
A nickel‐catalyzed asymmetric reductiveHeckreaction of aryl chlorides has been developed that affords substituted indolines with high enantioselectivity. Manganese powder is used as the terminal reductant with water as a proton source. Mechanistically, it is distinct from the palladium‐catalyzed process in that the nickel–carbon bond is converted into a C−H bond to release the product through protonation