I<sub>2</sub>/O<sub>2</sub>-Promoted Domino Reactions of Isatins or 3-Hydroxyindolin-2-one Derivatives with Enaminones
作者:Wen-Juan Hao、Jian-Qiang Wang、Xiao-Ping Xu、Shi-Lei Zhang、Shun-Yi Wang、Shun-Jun Ji
DOI:10.1021/jo401773j
日期:2013.12.20
I2-promoted domino reactions of isatins or 3-hydroxyindolin-2-one derivatives with enaminones under O2 conditions have been established. The reactions of isatins with enaminones afforded functionalized tetracyclic pyrrolo[2,3,4-kl]acridine derivatives in moderate to good yields through domino cyclization and C–H oxidation. The reactions of 3-hydroxyindolin-2-one derivatives with enaminones proceeded well
已经建立了在O 2条件下I 2-促进的靛红或3-羟基吲哚-2-酮衍生物与烯胺酮的多米诺骨反应。靛红与烯胺酮的反应通过多米诺环化和CH氧化,以中等至良好的产率提供了官能化的四环吡咯并[2,3,4- kl ] ac啶衍生物。3-羟基吲哚-2-酮衍生物与烯胺酮的反应进展顺利,通过串联的开环/再循环/甲基迁移序列(具有两个C-C键被裂解)得到官能化的吡咯并[2,3,4- kl ] ac啶衍生物。