TBAF‐Catalyzed Tandem Synthesis of Triazolo[4,5‐
<i>c</i>
]quinolines at Ambient Temperature
作者:Nan Sun、Han Yang、Kai Zheng、Liqun Jin、Baoxiang Hu、Zhenlu Shen、Xinquan Hu
DOI:10.1002/ejoc.202001280
日期:2020.11.22
1H‐[1,2,3]triazolo[4,5‐c]quinolines have been developed based on tandem TBAF‐catalyzed intermolecular azide‐alkyne [3+2] cycloaddition of β‐(2‐aminoaryl)‐α,β‐ynones and TMS‐N3, followed by intramolecular dehydration annulation reaction. This transformation can smoothly proceed at ambient temperature to provide a broad range of functionalized 1H‐[1,2,3]triazolo[4,5‐c]quinolines in up to 95 % yield in
基于串联TBAF催化的分子间叠氮化物-炔烃[3 + 2]环加β-(),开发了一种高效且无金属的1 H- [1,2,3]三唑并[4,5- c ]喹啉。 2-氨基芳基)-α,β-炔酮和TMS-N 3,然后进行分子内脱水环化反应。这种转化可以在环境温度下平稳地进行,以提供32个实例中高达95%的收率的多种功能化1 H- [1,2,3]三唑[4,5- c ]喹啉。