A Stereoselective Route to Aza-<i>C</i>-aryl Glycosides from Arynes and Chiral Nitrones
作者:Rama Kanwar Khangarot、Krishna P. Kaliappan
DOI:10.1002/ejoc.201200685
日期:2012.10
organic synthesis. These highly-reactive, strained and kinetically unstable species have numerous applications in synthetic chemistry. In this article, a highly-diasteroselective and efficient 1,3-dipolar cycloaddition reaction between a range of arynes and sugar-derived cyclic nitrones leading to an interesting class of sugar-based benzo[d]isoxazolines is described. These benzo[d]isoxazolines upon selective
芳炔被认为是有机合成中潜在的多功能中间体。这些高反应性、应变和动力学不稳定的物质在合成化学中有许多应用。在这篇文章中,描述了一系列芳烃和糖衍生的环状硝酮之间的高度非对映选择性和高效的 1,3-偶极环加成反应,导致了一类有趣的糖基苯并 [d] 异恶唑啉。这些苯并[d]异恶唑啉在选择性N-O键断裂后以良好的产率提供各种取代的氮杂-C-芳基糖苷。这些取代的吡咯烷衍生物是手性氨基酚,可能是不对称合成中潜在的手性配体和有机催化剂。