作者:Oswald Lockhoff、Peter Stadler、Uwe Petersen、Rainer Endermann
DOI:10.1016/s0008-6215(00)90950-9
日期:1983.5
The aminodisaccharide glycoside methyl 2,4-diamino-2,4-dideoxy-6-O-(2,6-diamino-2,6-dideoxy-alpha-D-glucopyranosyl)- beta-D-glucopyranoside (4), which exhibits a structural resemblance to neamine, was synthesized via the azido method. Starting from 6-O-acetyl-2-azido-3,4-di-O-benzyl-2-deoxy-alpha-D-glucopyranosyl bromide, the alpha-D-glycosylation of O-6 of methyl 2,4-diazido-3-O-benzyl-2,4-dideox
氨基二糖苷甲基2,4-二氨基-2,4-二脱氧-6-O-(2,6-二氨基-2,6-二脱氧-α-D-吡喃葡萄糖基)-β-D-吡喃葡萄糖苷(4),其中通过叠氮法合成具有与神经胺类似的结构。从6-O-乙酰基-2-叠氮基3,4-二-O-苄基-2-脱氧-α-D-吡喃葡萄糖基溴化物开始,甲基2,4-二叠氮基的O-6的α-D-糖基化-3-O-苄基-2,4-二脱氧-β-D-吡喃葡萄糖苷是在溴化汞存在下于低温下立体选择性完成的。对于某些革兰氏阴性生物,发现4的活性与神经胺处于同一范围,但针对不同的细菌。