Synthesis of a fucosylated and a non-fucosylated core structure of xylose-containing carbohydrate chains from N-glycoproteins
作者:Jos G.M. van der Ven、János Kerékgyártó、Johannis P. Kamerling、András Lipták、Johannes F.G. Vliegenthart
DOI:10.1016/0008-6215(94)00187-1
日期:1994.11
O-alpha-L-fucopyranosyl-beta-D-glucopyranoside (5), which represent the invariant hexasaccharide core structure of the xylose-containing glycans of N-glycoproteins and its 6-O- fucosylated derivative. Ethyl 4-O-[3-O-allyl-4-O-benzoyl-6-O-tert-butyldimethylsilyl-2-O- (2,3,4-tri-O-acetyl-beta-D-xylopyranosyl)- beta-D-mannopyranosyl]-3,6-di-O-benzyl-2-deoxy-2-phthalimido-1- thio-beta-D-glucopyranoside (9) was coupled
据报道合成了2-乙酰氨基-4-O- [2-乙酰氨基-2-脱氧-O-(3,6-二-O-α-D-甘露吡喃糖基-2-O-β-D-吡喃吡喃糖基- β-D-甘露吡喃糖基)-β-D-吡喃葡萄糖基] -2-脱氧-β-D-吡喃葡萄糖苷(4)和甲基2-乙酰氨基-4-O- [2-乙酰氨基-2-脱氧-4-O-( 3,6-二-O-α-D-甘露吡喃糖基-2-O-β-D-吡喃吡喃糖基-β-D-甘露吡喃糖基)-β-D-吡喃吡喃糖基] -2-脱氧-6-O-α-L-岩藻糖基-β-D-吡喃葡糖苷(5),其代表N-糖蛋白的含木糖聚糖及其6-O-岩藻糖基化衍生物的不变六糖核心结构。4-O- [3-O-烯丙基-4-O-苯甲酰基-6-O-叔丁基二甲基甲硅烷基-2-O-(2,3,4-三-O-乙酰基-β-D-吡喃吡喃糖基)- β-D-甘露吡喃糖基] -3,6-二-O-苄基-2-脱氧-2-邻苯二甲酰亚胺基-1-硫代β-D-吡喃葡萄糖苷(9