-isopropylidene-α- d -glucofuranosylamine (3.2% yield). The structures of these compounds were determined by chemical and spectroscopic methods, and their relation to the pattern of n.m.r. resonances of the isopropylidene methyl groups is discussed.
摘要
对甲苯磺酸催化N-乙酰基-α-d-
葡萄糖基
呋喃糖胺与
2,2-二甲氧基丙烷的反应,生成1-乙酰
氨基-2,3:5,6-di-O-异亚丙基-1-O-甲基-d-
葡萄糖醇(65.6%),1-乙酰
氨基-2,3-O-异亚丙基-1-O-甲基-d-
葡萄糖醇(3.7%)和N-乙酰基-5,6-O-异亚丙基-α -d-
葡糖呋喃糖胺(3.2%产率)。这些化合物的结构通过
化学和光谱方法确定,并讨论了它们与异亚丙基甲基的核磁共振共振模式的关系。