A Ritter-Type Route to <i>N</i>-Benzylamides by Multicomponent Reaction Based on <i>p</i>-(Trifluoromethyl)-<i>p</i>-quinols
作者:Chengjie Feng、Yifei Li、Xinyao Sheng、Ling Pan、Qun Liu
DOI:10.1021/acs.orglett.8b02762
日期:2018.10.19
A novel multicomponent reaction of p-(trifluoromethyl)- p-quinolsilyl ethers, ketones, and nitriles was developed for the efficient synthesis of p-trifluoromethylated N-benzylamides. The key step of the reaction involves the formation of an unstable condensation precursor in situ generated form the condensation of p-(trifluoromethyl)- p-quinolsilyl ethers with ketones. This work provides a significant
开发了对-(三氟甲基)-对-喹啉甲硅烷基醚,酮和腈的新型多组分反应,以有效合成对-三氟甲基化的N-苄基酰胺。该反应的关键步骤涉及形成不稳定的缩合前体,该不稳定的缩合前体是由对-(三氟甲基)-对-喹啉甲硅烷基醚与酮的缩合而原位产生的。这项工作为Ritter型反应提供了显着的扩展,并且该反应可以在温和的反应条件下进行,并且可以耐受各种腈,包括芳基和脂族腈。