A General Approach to Deboronative Radical Chain Reactions with Pinacol Alkylboronic Esters
作者:Emy André‐Joyaux、Andrey Kuzovlev、Nicholas D. C. Tappin、Philippe Renaud
DOI:10.1002/anie.202004012
日期:2020.8.10
suitable substrates. We report their in situ conversion into alkylboronic catechol esters by boron‐transesterification with a substoichiometric amount of catechol methyl borate combined with an array of radical chain processes. This simple one‐pot radical‐chain deboronative method enables the conversion of pinacol boronic esters into iodides, bromides, chlorides, and thioethers. The process is also suitable
Nickel-Catalyzed Deaminative Cyanation: Nitriles and One-Carbon Homologation from Alkyl Amines
作者:Jianyu Xu、J. Cameron Twitty、Mary P. Watson
DOI:10.1021/acs.orglett.1c01959
日期:2021.8.20
pyridinium salts has been developed. When it is coupled with formation of the pyridinium salt from primary amines, this method enables alkyl amines to be converted to alkyl nitriles. A less toxic cyanide reagent, Zn(CN)2, is utilized, and diverse functional groups and heterocycles are tolerated. The method also enables a one-carbon homologation of alkyl amines via reduction of the nitrile products,