A novel approach to the 1-deoxynojirimycin system: Synthesis from sucrose of 2-acetamido-1,2-dideoxynojirimycin, as well as some 2-N-modified derivatives
作者:Günther Gradnig、Günter Legler、Arnold E. Stütz
DOI:10.1016/0008-6215(96)00065-1
日期:1996.6
steps from the known 6,6'-diazido-6,6'-dideoxysucrose (available in two steps from sucrose) and cyclized by controlled hydrogenation and concomitant intramolecular reductive amination to give 3,4,6-tri-O-benzyl-1,5-dideoxy-1,5-imino-D-mannitol, a partially protected derivative of 1-deoxymannojirimycin. After N-protection, position 2 is regio-specifically available to modification. This novel approach
从已知的6,6'-diazido-6,6'-dideoxysucrose(可分为两个步骤(从蔗糖中提取)并通过受控氢化和伴随的分子内还原胺化进行环化,得到3,4,6-三-O-苄基-1,5-二脱氧-1,5-亚氨基-D-甘露醇,部分受保护的1衍生物-脱氧甘露糖霉素。在N-保护之后,位置2是区域特异性可用于修饰的。在合成2-乙酰氨基-1,2-双脱氧野oji霉素及其新类似物中利用了这种新方法。讨论了使用各种来源的N-乙酰己糖胺酶对这些新化合物进行的抑制研究结果。