2-C-(hydroxymethyl)-2,3:4,5-di-O-isopropylidene-D-threo-pentitol | 58621-92-4

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: 2-C-(hydroxymethyl)-2,3:4,5-di-O-isopropylidene-D-threo-pentitol
• 英文别名: 1,2:3,4-Di-O-isopropyliden-DL-dendroketose；4-C-Hydroxymethyl-1,2;3,4-di-O-isopropyliden-2,3-D-erythro-pentitol
• CAS: 58621-92-4；100759-93-1；102850-83-9
• 化学式: C₁₂H₂₂O₆
• 分子量: 262.303
• InChiKey: XTDRUQWOGHLMCQ-DTWKUNHWSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.01
• 重原子数：
  18.0
• 可旋转键数：
  3.0
• 环数：
  2.0
• sp3杂化的碳原子比例：
  1.0
• 拓扑面积：
  77.38
• 氢给体数：
  2.0
• 氢受体数：
  6.0

反应信息

• 作为反应物：
  描述：

  2-C-(hydroxymethyl)-2,3:4,5-di-O-isopropylidene-D-threo-pentitol 在 sodium periodate 、 溶剂黄146 作用下， 生成 (3S)-O²,O³-isopropylidene-β-L-apiofuranose
  参考文献：
  名称：

  Triterpenoid saponins from Becium grandiflorum var. obovatum

  摘要：

  Two new triterpenoid saponins, beciumecine I and 2, were-isolated from the root bark of Becium grandiflorum var, obovatum and their structures established as 3-O-(beta-D-glucopyranosyl) terminolic acid 28-O-beta-D-apiofuranosyl( 1-3)-[alpha-L-rhamnopyranosyl( 1-3)-beta-D-xylopyranosyl( 1-4)]-alpha-L-rhamnopyranosyl(1-2)-alpha-L-arabinopyranoside and 3-O-(beta-D-glucopyranosyl) 24-hydroxyterminolic acid 28-O-alpha-L-rhamnopyranosyl(1-3)-beta-D-xylopyranosyl(1-4)-alpha-L-rhamnopyranosyl(1-2)-alpha-L-arabinopyranoside, respectively. (C) 1998 Published by Elsevier Science Ltd. All rights reserved.

  DOI：

  10.1016/s0031-9422(98)00413-0
• 作为产物：
  描述：

  L-木糖 在 sodium hydroxide 、 对甲苯磺酸 作用下， 以 乙醇 、 水 、 N,N-二甲基甲酰胺 为溶剂， 反应 39.0h， 生成 2-C-(hydroxymethyl)-2,3:4,5-di-O-isopropylidene-D-threo-pentitol
  参考文献：
  名称：

  Triterpenoid saponins from Becium grandiflorum var. obovatum

  摘要：

  Two new triterpenoid saponins, beciumecine I and 2, were-isolated from the root bark of Becium grandiflorum var, obovatum and their structures established as 3-O-(beta-D-glucopyranosyl) terminolic acid 28-O-beta-D-apiofuranosyl( 1-3)-[alpha-L-rhamnopyranosyl( 1-3)-beta-D-xylopyranosyl( 1-4)]-alpha-L-rhamnopyranosyl(1-2)-alpha-L-arabinopyranoside and 3-O-(beta-D-glucopyranosyl) 24-hydroxyterminolic acid 28-O-alpha-L-rhamnopyranosyl(1-3)-beta-D-xylopyranosyl(1-4)-alpha-L-rhamnopyranosyl(1-2)-alpha-L-arabinopyranoside, respectively. (C) 1998 Published by Elsevier Science Ltd. All rights reserved.

  DOI：

  10.1016/s0031-9422(98)00413-0