Nickel-Catalyzed Regio- and Stereospecific C–H Coupling of Benzamides with Aziridines
作者:Shibo Xu、Koji Hirano、Masahiro Miura
DOI:10.1021/acs.orglett.1c01821
日期:2021.7.16
C–H alkylation–intramolecular amidation cascade event with the concomitant removal of the aminoquinoline auxiliary. The regioselectivity of ring opening of aziridines can be controlled by the substituents. The reaction with chiral aziridines proceeds with inversion of configuration, thus suggesting an SN2-type nucleophilic ring-opening pathway.
已经公开了镍催化的 8-氨基喹啉衍生的苯甲酰胺与芳基和烷基取代的氮丙啶的 C-H 偶联。目前的策略提供了通过 C-H 烷基化 - 分子内酰胺化级联事件直接获得苯内酰胺,同时去除氨基喹啉辅助剂。氮丙啶开环的区域选择性可以通过取代基来控制。与手性氮丙啶与构型反转进行反应,从而表明一个S Ñ 2型的亲核开环通路。