rotundioside G | 100665-39-2

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 异戊烯醇脂质
• 英文名称: rotundioside G
• 英文别名: (2S,3R,4S,5R)-2-[(2S,3R,4S,5S,6R)-2-[(2R,3R,4S,5R,6R)-4,5-dihydroxy-2-[[(1S,2R,4S,5R,8R,10S,13S,14R,17S,18R)-2-hydroxy-4,5,9,9,13,20,20-heptamethyl-24-oxahexacyclo[15.5.2.01,18.04,17.05,14.08,13]tetracos-15-en-10-yl]oxy]-6-methyloxan-3-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-3-yl]oxyoxane-3,4,5-triol
• CAS: 100665-39-2
• 化学式: C₄₇H₇₆O₁₆
• 分子量: 897.111
• InChiKey: LOMHITWHYXGWQO-SEUAUALZSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.2
• 重原子数：
  63
• 可旋转键数：
  7
• 环数：
  9.0
• sp3杂化的碳原子比例：
  0.96
• 拓扑面积：
  247
• 氢给体数：
  9
• 氢受体数：
  16

反应信息

• 作为反应物：
  描述：

  rotundioside G 在 盐酸 作用下， 以 甲醇 为溶剂， 反应 3.0h， 生成 (2R,3R,4S,5R,6R)-2-((3S,4aR,6aR,6bS,8R,8aS,14aR,14bS)-8-Hydroxy-8a-hydroxymethyl-4,4,6a,6b,11,11,14b-heptamethyl-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,14a,14b-octadecahydro-picen-3-yloxy)-6-methyl-tetrahydro-pyran-3,4,5-triol
  参考文献：
  名称：

  Minor triterpenoid saponins from the leaves of Bupleurum rotundifolium L.

  摘要：

  从Bupleurum rotundifolium L.叶片中分离出两种新的三萜类皂苷，罗汉果皂苷D（1）和罗汉果皂苷G（2）、其特征为 16α，28-二羟基油菜-12-烯-3β-基 α-L-鼠李糖基-(1→2)-β-D-吡喃葡萄糖基-(1→2)-β-D-吡喃葡萄糖苷（1）和 13β、28-epoxy-16α-hydroxyolean-11-en-3β-D-xylopyranosyl-(1→2)-β-D-glucopyranosyl-(1→2)-β-D-fucopyranoside (2)。

  DOI：

  10.1248/cpb.33.4685

文献信息

• Minor triterpenoid saponins from the leaves of Bupleurum rotundifolium L.
  作者：ERIKO AKAI、TADAHIRO TAKEDA、YOSHIMASA KOBAYASHI、YINGJIE CHEN、YUKIO OGIHARA

  DOI：10.1248/cpb.33.4685

  日期：——

  Two new minor triterpenoid saponins, rotundioside D (1) and rotundioside G (2), isolated from the leaves of Bupleurum rotundifolium L., were characterized as 16α, 28-dihydroxyolean-12-en-3β-yl α-L-rhamnopyranosyl-(1→2)-β-D-glucopyranosyl-(1→2)-β-D-glucopyranoside (1) and 13β, 28-epoxy-16α-hydroxyolean-11-en-3β-D-xylopyranosyl-(1→2)-β-D-glucopyranosyl-(1→2)-β-D-fucopyranoside (2), respectively, on the basis of chemical and spectroscopic evidence.

  从Bupleurum rotundifolium L.叶片中分离出两种新的三萜类皂苷，罗汉果皂苷D（1）和罗汉果皂苷G（2）、其特征为 16α，28-二羟基油菜-12-烯-3β-基 α-L-鼠李糖基-(1→2)-β-D-吡喃葡萄糖基-(1→2)-β-D-吡喃葡萄糖苷（1）和 13β、28-epoxy-16α-hydroxyolean-11-en-3β-D-xylopyranosyl-(1→2)-β-D-glucopyranosyl-(1→2)-β-D-fucopyranoside (2)。