Intermolecular Metal‐Free Cyclopropanation and Aziridination of Alkenes with XH
<sub>2</sub>
(X=N, C) by Thianthrenation**
作者:Ming‐Shang Liu、Hai‐Wu Du、Jian‐Fang Cui、Wei Shu
DOI:10.1002/anie.202209929
日期:2022.10.10
Herein, a general and practical protocol to aziridines and cyclopropanes using free XH2 (X=C or N) with alkenes by thianthrenation is presented under mild conditions. Free sulfonamides, amides, carbamates, amines, and acidic methylene with protons, are good precursors for three-membered ring formation, providing an attractive alternative for straightforward synthesis of aziridines and cyclopropanes
在此,提出了在温和条件下使用游离 XH 2 (X=C 或 N) 与烯烃通过硫氢化制备氮丙啶和环丙烷的通用和实用方案。游离磺酰胺、酰胺、氨基甲酸酯、胺和带质子的酸性亚甲基是三元环形成的良好前体,为从容易获得的起始材料直接合成氮丙啶和环丙烷提供了一种有吸引力的替代方案。