Synthesis of mucin O-glycan core structures as their p-nitro- and p-aminophenyl glycosides
作者:Martin Hollinger、Fana Abraha、Stefan Oscarson
DOI:10.1016/j.carres.2011.03.036
日期:2011.9
For the investigation of glycosidases, and for the construction of glycan arrays the p-nitrophenyl- and p-aminophenyl glycosides of mucin O-glycan core structures 1-7 and the 2,6-ST-antigen have been chemically synthesized using d-galactose as a precursor for GalNAc residues. GlcNAc residues have partly been introduced using a 4,6-di-O-benzoyl-2,3-N,O-oxazolidinone-protected donor, which allowed deprotection
为了研究糖苷酶和构建聚糖阵列,已经使用d-半乳糖化学合成了粘蛋白O-聚糖核心结构1-7和2,6-ST-抗原的对硝基苯基和对氨基苯基糖苷。作为GalNAc残基的前体。使用4,6-二-O-苯甲酰基-2,3-N,O-恶唑烷酮保护的供体部分引入了GlcNAc残基,其允许在一个步骤中使用甲醇钠对所形成的二糖和三糖进行脱保护。