Synthesis of Iduronic Acid Building Blocks for the Modular Assembly of Glycosaminoglycans
作者:Gregory J. S. Lohman、Diana K. Hunt、Jens A. Högermeier、Peter H. Seeberger
DOI:10.1021/jo0340760
日期:2003.9.1
The modular synthesis of glycosaminoglycans requires straightforward methods for the production of large quantities of protected uronic acid building blocks. In particular, the preparation of fully differentiated iduronic acids has proven particularly challenging. An efficient route to methyl 3-O-benzyl-1,2-O-isopropylidene-alpha-l-idopyranosiduronate 6 from diacetone glucose in nine steps and 36%
糖胺聚糖的模块合成需要直接的方法来生产大量受保护的糖醛酸构件。特别地,已证明完全分化的艾杜糖酸的制备特别具有挑战性。描述了一种通过九步步骤从双丙酮葡萄糖制得3-O-苄基-1,2-O-异亚丙基-α--1-吡喃二葡萄糖醛酸甲酯6的有效途径,总产率为36%。异吡喃二葡萄糖醛酸酸酯6可用作糖基受体和中间体,可以进一步加工成艾杜糖醛酸三氯乙酰亚氨酸酯糖基供体,用于组装此处所示的糖胺聚糖结构。