Unprecedented chemoselective Ru(iii)-catalyzed [3 + 2] annulation of enaminones with iodonium ylides for the synthesis of functionalized 3a,7a-dihydroxy hexahydro-4H-indol-4-ones†

IF 4.6 1区 化学 Q1 CHEMISTRY, ORGANIC Organic Chemistry Frontiers Pub Date : 2023-09-30 DOI:10.1039/D3QO01276J
Mingshuai Zhang, Longkun Chen, Zhuoyuan Liu, Jiuzhong Huang and Fuchao Yu
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Abstract

Herein, a straightforward and efficient method to obtain 3a,7a-dihydroxy hexahydro-4H-indol-4-ones via Ru(III)-catalyzed alkenyl C(sp2)–H bond functionalization/[3 + 2] annulation of enaminones with iodonium ylides has been described. This protocol features chemoselectivity, broad substrate scope, moderate to excellent yields, gram-scale synthesis, and mild reaction conditions. The newly formed 3a,7a-dihydroxy hexahydro-4H-indol-4-one scaffolds can be easily further derivatized to 1H-pyrrol-3-ol carboxylate derivatives through an open-ring/hydrolysis transformation, showing potential applications in organic synthesis and medicinal chemistry.

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前所未有的化学选择性Ru(iii)催化烯胺酮与碘鎓叶立德的[3+2]环化反应,用于合成功能化的3a,7a二羟基六氢-4H-吲哚-4-酮†
本文描述了一种通过Ru(III)催化的烯基C(sp2)-H键官能化/[3+2]烯胺酮与碘鎓叶立德环化获得3a,7a二羟基六氢-4H-吲哚-4-酮的简单有效的方法。该方案具有化学选择性、底物范围广、中等至优异的产率、克级合成和温和的反应条件。新形成的3a,7a二羟基六氢-4H-吲哚-4-酮支架可以通过开环/水解转化容易地进一步衍生为1H-吡咯-3-醇羧酸盐衍生物,在有机合成和药物化学中显示出潜在的应用前景。
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Organic Chemistry Frontiers
Organic Chemistry Frontiers CHEMISTRY, ORGANIC-
CiteScore
7.90
自引率
11.10%
发文量
686
审稿时长
1 months
期刊介绍: Organic Chemistry Frontiers is an esteemed journal that publishes high-quality research across the field of organic chemistry. It places a significant emphasis on studies that contribute substantially to the field by introducing new or significantly improved protocols and methodologies. The journal covers a wide array of topics which include, but are not limited to, organic synthesis, the development of synthetic methodologies, catalysis, natural products, functional organic materials, supramolecular and macromolecular chemistry, as well as physical and computational organic chemistry.
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