化学
戒指(化学)
布朗斯特德-洛瑞酸碱理论
组合化学
反应条件
药物化学
催化作用
立体化学
有机化学
作者
Yajie Yang,Yilin Zhu,Liqiang Yin,Lu Cheng,Chengyu Wang,Yanzhong Li
出处
期刊:Organic Letters
[American Chemical Society]
日期:2022-01-19
卷期号:24 (3): 966-970
被引量:11
标识
DOI:10.1021/acs.orglett.1c04332
摘要
A novel Brønsted-acid-promoted selective C2-N1 ring-expansion reaction of indoles has been developed that provides a rapid and efficient protocol for the preparation of fused quinolines. A variety of corresponding quinolines were obtained in high yields. Controlled experiments revealed that C2-spiroindolenines might be intermediates of this C2-N1 ring-expansion reaction. The notable advantages of this process include excellent yields, good functional group tolerance, and operational simplicity.
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