钯催化 4-乙烯基-4-丁内酯与氨基磺酸盐衍生环状亚胺的 [3 + 2] 环加成反应：构建氨基磺酸盐融合吡咯烷。

IF 2.9 3区化学 Q1 CHEMISTRY, ORGANIC Organic & Biomolecular Chemistry Pub Date : 2024-11-12 DOI:10.1039/d4ob01611d

Honghao Sun, Siyuan Ding, Bo Wang, Jiaxing Huang, Hongchao Guo

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引用次数: 0

摘要

该研究开发了钯催化 4-乙烯基-4-丁内酯与氨基磺酸盐衍生环状亚胺的[3 + 2]脱羧环加成反应，提供了高产率和良好非对映选择性的氨基磺酸盐融合吡咯烷衍生物。该反应的放大和进一步衍生产品的工作进展顺利，证明了当前反应在有机合成中的潜在应用。此外，还提出了一种合理的反应机理。

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Palladium-catalyzed [3 + 2] cycloaddition of 4-vinyl-4-butyrolactones with sulfamate-derived cyclic imines: construction of sulfamate-fused pyrrolidines.

The palladium-catalyzed [3 + 2] decarboxylative cycloaddition of 4-vinyl-4-butyrolactones with sulfamate-derived cyclic imines has been developed, providing the sulfamate-fused pyrrolidine derivatives in high yields with good diastereoselectivities. The scale-up reaction and further derivation of the product worked well, demonstrating the potential application of the current reaction in organic synthesis. A plausible reaction mechanism was also proposed.

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