Synthesis of a pentasaccharide hapten related to a monoantennary glycan chain of human chorionic gonadotropin
作者:Khalid K. Sadozai、Tohru Kitajima、Yoshiaki Nakahara、Tomoya Ogawa、Akira Kobata
DOI:10.1016/s0008-6215(00)90297-0
日期:1986.9
A stereocontrolled synthesis of a pentasaccharide hapten, namely, 8-ethoxy-carbonyloctyl O-beta-D-galactopyranosyl-(1----4)-O-(2-acetamido-2-deoxy-beta-D-gluc opy ranosyl) -(1----2)-O-alpha-D-mannopyranosyl-(1----3)-O-[alpha-D-mannopyranosyl- (1----6)]-alpha-D-mannopyranoside, is described employing a trihexosyl glycosyl-donor, O-(2,3,4,6-tetra-O-acetyl-beta-D-galactopyranosyl)-(1----4)-O-(2-acet amido-3
五糖半抗原,即8-乙氧基-羰基辛基O-β-D-吡喃半乳糖基-(1 ---- 4)-O-(2-乙酰氨基-2-脱氧-β-D-glucopy ranosyl)的立体控制合成)-(1 ---- 2)-O-alpha-D-甘露吡喃糖基-(1 ---- 3)-O- [α-D-甘露吡喃糖基-(1 ---- 6)]-alpha-D描述了使用三己糖基糖基供体O-(2,3,4,6-四-O-乙酰基-β-D-吡喃半乳糖苷)-(1-4)-O-(2-乙酰氨基-3,6-二-O-乙酰基-2-脱氧-β-D-吡喃葡萄糖基)-(1 ---- 2)-3,4,6-三-O-苄基-α-D-甘露聚糖三氯乙酰亚胺酸酯和甘露糖基糖基受体,8-乙氧羰基辛基O-(2,3,4,6-tetra-O-苄基-α-D-甘露吡喃糖基)-(1 ---- 6)-2,4 -二-O-苯甲基-β-D-甘露吡喃糖苷,为关键中间体。