Traceless Photolabile Linker Expedites the Chemical Synthesis of Complex Oligosaccharides by Automated Glycan Assembly
作者:Kim Le Mai Hoang、Alonso Pardo-Vargas、Yuntao Zhu、Yang Yu、Mirco Loria、Martina Delbianco、Peter H. Seeberger
DOI:10.1021/jacs.9b03769
日期:2019.6.5
synthetic oligosaccharides to meet the demand for defined glycans as tools for molecular glycobiology. The linkers used to connect the growing glycan chain to the solid support play a pivotal role in the synthesis strategy as they determine all chemical conditions used during the synthesis and the form of the glycan obtained at the end of it. Here, we describe a traceless photolabile linker used to prepare
自动聚糖组装 (AGA) 旨在加速合成寡糖的获取,以满足将定义的聚糖作为分子糖生物学工具的需求。用于将不断增长的聚糖链连接到固体支持物的接头在合成策略中起着关键作用,因为它们决定了合成过程中使用的所有化学条件以及合成结束时获得的聚糖的形式。在这里,我们描述了一种用于制备具有自由还原端的碳水化合物的无痕光不稳定链接器。连接器的邻硝基苄基支架的修饰是高产量和与 AGA 工作流程兼容的关键。描述了由 AGA 和线性以及支链 β-低聚糖制备的寡糖片段组装不对称双天线 N-聚糖以说明该方法的功效。