Diamination/Oxidative Cross-Coupling/Bicyclization of Anilines and Methyl Ketones: Direct I<sub>2</sub>-Promoted Synthesis of 1,2-Fused Oxindoles
作者:Jingjing Zhang、Xia Wu、Qinghe Gao、Xiao Geng、Peng Zhao、Yan-Dong Wu、Anxin Wu
DOI:10.1021/acs.orglett.6b03636
日期:2017.1.20
2-fused oxindoles from methyl ketones and anilines. This approach was optimized, resulting in a concise and atom-economical approach for the one-pot construction of 1,2-fused oxindoles from methyl ketones and anilines rather than using preexisting indolin-3-ones or indoles. Mechanistic studies revealed that the key step involved an oxidative cross-coupling between in situ generated phenylglyoxal and α
偶然发现了一种I 2促进的多米诺骨牌双环化方法,该方法通过多个连续的C–H官能化从甲基酮和苯胺合成1,2-稠合的吲哚。该方法经过优化,从而形成了一种简明且原子经济的方法,用于从甲基酮和苯胺一锅构建1,2-稠合的吲哚,而不是使用预先存在的吲哚-3-酮或吲哚。机理研究表明,关键步骤涉及原位生成的苯乙二醛与α,α-二氨基酮之间的氧化交叉偶联。