Syntheses of<i>O</i>-β-D-Mannosyl-(1→4)-<i>O</i>-α-D-mannosyl-(1→3)-L-rhamnose and<i>O</i>-(2-Acetamido-2-deoxy-β-D-mannosyl)-(1→4)-<i>O</i>-α-D-galactosyl-(1→4)-D-galactose via In-situ-activating Glycosylation Using 2-<i>O</i>-Acetyl-3,4,6-tri-<i>O</i>-benzyl-D-glucose
作者:Shinkiti Koto、Yoshika Shinoda、Motoko Hirooka、Akiko Sekino、Sachiko Ishizumi、Mutsuko Koma、Chieko Matuura、Naoko Sakata
DOI:10.1246/bcsj.76.1603
日期:2003.8
D-mannopyranosyl-(1→3)-L-rhamnopyranose, a trisaccharide including a repeating unit of the O-specific polysaccharide (OSP) of Bulkholderia vietnamiensis strain LMG 6988, and O-(2-acetamido-2-deoxy-β-D-mannopyranosyl)-(1→4)-O-α-D-galactopyranosyl-(1→4)-D-galactopyranose, a trisaccharide including a repeating unit of OSP of Acinetobactor baumannii serogroup O18, were synthesized by means of in-situ-activating
O-β-D-吡喃甘露糖基-(1→4)-O-α-D-吡喃甘露糖基-(1→3)-L-吡喃鼠李糖,一种三糖,包括越南Bulkholderia vietnamiensis的O-特异性多糖(OSP)的重复单元LMG 6988 菌株,和 O-(2-乙酰氨基-2-脱氧-β-D-吡喃甘露糖基)-(1→4)-O-α-D-吡喃半乳糖基-(1→4)-D-吡喃半乳糖,一种三糖,包括使用 2-O-乙酰基-3,4,6-三-O-苄基-D-吡喃葡萄糖 (2ATBG) 和试剂通过原位激活糖基化合成鲍曼不动杆菌血清组 O18 的 OSP 重复单元对硝基苯磺酰氯、三氟甲磺酸银和 1,8-二氮杂双环[5.4.0]十一碳-7-烯的混合物,以及相关系统。2ATBG、烯丙基 2,3,6-三-O-苄基-α-D-吡喃半乳糖苷、苄基 2,3,6-三-O-苄基-α-D-吡喃半乳糖苷和 2-叠氮基-3 的新合成,描述了 4,6-三-O-苄基-2-脱氧-D-吡喃甘露糖。