A Facile Synthesis of<i>N</i><sup>γ</sup>-Glycosyl Asparagine Conjugates and Short<i>N</i>-Linked Glycopeptides
作者:Jie Xue、Min Guo、Guofeng Gu、Zhongwu Guo
DOI:10.1080/07328303.2011.633723
日期:2012.2
Both free and protected glycosyl azides were efficiently coupled to the side chain of aspartate by the Staudinger reaction for the synthesis of N γ-glycosyl asparagine conjugates and short N-linked glycopeptides that can be employed to construct complex N-linked glycopeptides. In the process, a facile two-step protocol was developed for free glycosyl azide synthesis, which includes reported direct transformation
游离和保护的糖基叠氮化物通过用于合成的施陶丁格反应中有效地耦合到天冬氨酸的侧链Ñ γ α-糖基天冬酰胺的共轭和短ñ -连接的可被采用来构建复杂的糖肽ñ -连接的糖肽。在此过程中,开发了一种用于游离糖基叠氮化物合成的简便的两步方案,该方法包括据报道通过与碳酸氢铵反应将游离寡糖直接转化为糖基胺,然后进行立体定向重氮转移反应将糖基胺转化为糖基叠氮化物。