邻酰基芳基MBH碳酸盐与香豆素的[4+2]环化：四氢染料[4,3-b]喹啉-6- 1†的易得性

IF 2.5 3区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY New Journal of Chemistry Pub Date : 2024-12-16 DOI:10.1039/D4NJ04654D

Min Xiang, Gang-Yong Liu, Hui-Mei Liu, Wen-Yi Zhou, Guang-Wei Wang, Fei Fei, Yun-Qing Jia and Li-Wen Shen

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摘要

研究了邻酰基芳基羰基碳酸氢盐与3-取代香豆素的[4+2]环化反应。该方法具有良好的底物耐受性，构建了一系列四氢色[4,3-b]喹啉-6- 1，产率高达95%。该方法的应用价值也通过50倍的放大实验得到了验证。

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The [4+2] annulation of o-acylamino-aryl MBH carbonates with coumarins: facile access to tetrahydrochromeno[4,3-b]quinolin-6-ones†

A [4+2] annulation reaction of o-acylamino-aryl MBH carbonates with 3-substituted coumarins has been developed. This method exhibits excellent substrate tolerance and constructs a series of tetrahydrochromeno[4,3-b]quinolin-6-ones with yields up to 95%. The application value of this method has also been demonstrated through a 50-fold scale-up.

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