Modular 2,3-diaryl-2<i>H</i>-azirine synthesis from ketoxime acetates <i>via</i> Cs<sub>2</sub>CO<sub>3</sub>-mediated cyclization
作者:Mi-Na Zhao、Wei Zhang、Xu-Cai Wang、Ying Zhang、De-Suo Yang、Zheng-Hui Guan
DOI:10.1039/c8ob00923f
日期:——
A modular 2H-azirine synthesis from ketoxime acetates via Cs2CO3-mediated cyclization has been developed. The reaction utilizes easily available starting materials and provides a general synthetic route to 2,3-diaryl-2H-azirines in good to excellent yields under mild conditions, which is complementary to the conventional approaches for the synthesis of 2H-azirines. A gram-scale reaction was performed
已经开发了由乙酸酮肟通过Cs 2 CO 3介导的环化合成的模块化2 H-叠氮基。该反应利用容易获得的原料,并在温和条件下以良好至优异的产率提供了合成2,3-二芳基-2 H-叠氮基的一般合成路线,这是合成2 H-叠氮基的常规方法的补充。进行了克级反应以证明该合成方法的放大适用性。重要的是,2 H-叠氮基可以有效地转化为各种氮杂杂环。