Silicon in benzamide directed ortho metalation. Formation and reactions of benzamide benzynes
作者:K. Shankaran、V. Snieckus
DOI:10.1016/s0040-4039(01)81301-0
日期:1984.1
2-Trimethylsilyl-3-triflyl benzamide 3, undergoes fluoride-mediated 1,2-elimination to give the benzyne intermediate 4 which is trapped by cycloaddition (5), and nucleophilic reactions (6).
2-三甲基甲硅烷基-3-三氟苯甲酰胺3,经过氟介导的1,2-消除,得到苯炔中间体4,其被环加成(5)和亲核反应(6)捕获。