1,6-anhydro-β-D-galactopyranosylamine | 488827-85-6

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 氧杂环己烷
• 英文名称: 1,6-anhydro-β-D-galactopyranosylamine
• 英文别名: (1R,2R,3S,4R,5R)-8-oxa-6-azabicyclo[3.2.1]octane-2,3,4-triol
• CAS: 488827-85-6
• 化学式: C₆H₁₁NO₄
• 分子量: 161.158
• InChiKey: QNTRVZHHDRPAHZ-FPRJBGLDSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -2.4
• 重原子数：
  11
• 可旋转键数：
  0
• 环数：
  2.0
• sp3杂化的碳原子比例：
  1.0
• 拓扑面积：
  82
• 氢给体数：
  4
• 氢受体数：
  5

反应信息

• 作为反应物：
  描述：

  1,6-anhydro-β-D-galactopyranosylamine 在 sodium cyanoborohydride 作用下， 以 溶剂黄146 为溶剂， 反应 24.0h， 以58%的产率得到(3R,4S,5R,6S)-3,4,5,6-tetrahydroxyazepine
  参考文献：
  名称：

  An easy route to seven-membered iminocyclitols from aldohexopyranosyl enamines

  摘要：

  A new stereocontrolled and high yielding synthesis of biologically active polyhydroxyperhydroazelpines is reported starting from easily available glycosylenamines (D-gluco, D-manno, and D-galacto configurations), which are transformed into 1,6-azaanhydropyranose derivatives. O- and N-Deprotection of the latter, followed by reduction with sodium cyanoborohydride, gives the target chiral iminocyclitols. The method is based on the capacity of the dialkoxycarbonylvinyl group to stabilize an amide ion, and the only limitation is the necessity for the starting glycosylenamine to have beta-D-configuration. The inhibitory activity of several intermediate iminocyclitols and aldopyranosylenamines on different alpha- and beta-glycosidases is also reported. (C) 2002 Published by Elsevier Science Ltd.

  DOI：

  10.1016/s0957-4166(02)00377-4
• 作为产物：
  描述：

  N-(2,2-diethoxycarbonylvinyl)-β-D-galactopyranosylamine 在 吡啶 、 sodium methylate 、 氯 、 三氟乙酸 作用下， 以 甲醇 、 二氯甲烷 、 N,N-二甲基甲酰胺 为溶剂， 50.0 ℃ 、2.67 kPa 条件下， 反应 76.58h， 生成 1,6-anhydro-β-D-galactopyranosylamine
  参考文献：
  名称：

  An easy route to seven-membered iminocyclitols from aldohexopyranosyl enamines

  摘要：

  A new stereocontrolled and high yielding synthesis of biologically active polyhydroxyperhydroazelpines is reported starting from easily available glycosylenamines (D-gluco, D-manno, and D-galacto configurations), which are transformed into 1,6-azaanhydropyranose derivatives. O- and N-Deprotection of the latter, followed by reduction with sodium cyanoborohydride, gives the target chiral iminocyclitols. The method is based on the capacity of the dialkoxycarbonylvinyl group to stabilize an amide ion, and the only limitation is the necessity for the starting glycosylenamine to have beta-D-configuration. The inhibitory activity of several intermediate iminocyclitols and aldopyranosylenamines on different alpha- and beta-glycosidases is also reported. (C) 2002 Published by Elsevier Science Ltd.

  DOI：

  10.1016/s0957-4166(02)00377-4