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Direct Oxidative Dearomatization of Indoles with Aromatic Ketones: Rapid Access to 2,2-Disubstituted Indolin-3-ones
Synthesis ( IF 2.2 ) Pub Date : 2019-11-28 , DOI: 10.1055/s-0039-1691528
Jiarun Liu , Jiancheng Huang , Kuiyong Jia , Tianxing Du , Changyin Zhao , Rongxiu Zhu 1 , Xigong Liu
Affiliation  

A metal-free oxidative dearomatization of indoles with aromatic ketones mediated by TEMPO oxoammonium salt is described. The dearomatization proceeds smoothly and displays a broad substrate scope with respect to both indoles and aromatic ketones in the presence of H2SO4, affording the corresponding 2,2-disubstituted indolin-3-ones in good yields.

中文翻译:

带有芳香酮的吲哚直接氧化脱芳香化作用:快速获得2,2-二取代的Indolin-3-ones

描述了由TEMPO氧铵盐介导的带有芳香族酮的吲哚的无金属氧化脱芳香化作用。在H 2 SO 4的存在下,脱芳香化反应平稳进行,并且相对于吲哚和芳族酮均显示出较宽的底物范围,从而以良好的收率提供了相应的2,2-二取代的吲哚3-3-酮。
更新日期:2019-11-29
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