作者:Hans Paulsen、Jens Peter Lorentzen
DOI:10.1016/0008-6215(86)80006-4
日期:1986.8
6-dideoxy-α- d -galactopyranoside to give 8-methoxycarbonyloctyl O -[benzyl (3,4-di- O -acetyl-2-azido-2-deoxy-β- d -mannopyranosyl)uronate]-(1→4)- O (6- O -acetyl-2-azido-3- O -benzyl-2-deoxy-α- d -glucopyranosyl)-(1→3)-4-azido-2- O -benzyl-4,6-dideoxy-α- d -s galactopyranoside. Deblocking gave the spacer-linked repeating unit of the enterobacterial common antigen, β- d -Man p NAcA-(1→4)-α- d -Glc p NAc-(1→3)-α-
将β-吡喃葡萄糖基氯与8-甲氧基羰基辛基4-叠氮基-2-O-苄基-4,6-二脱氧-α-d-吡喃半乳糖苷偶联,得到8-甲氧基羰基辛基O- [苄基(3,4-二-O-乙酰-2-叠氮基-2-脱氧-β-d-甘露吡喃糖基)尿酸酯]-(1→4)-O(6- O-乙酰基-2-叠氮基3- O-苄基-2-脱氧-α-d -吡喃葡萄糖基)-(1→3)-4-叠氮基-2-O-苄基-4,6-二脱氧-α-d-s吡喃半乳糖苷。解封得到肠细菌共同抗原β-d -Man p NAcA-(1→4)-α-d -Glc p NAc-(1→3)-α-d -Fuc p 4NAcO( CH 2)8 CO 2 CH 3。