(25S)-5β-spirostan-3β-ol 3-O-[α-L-rhamnopyranosyl-(1->6)-β-D-glucopyranosyl-(1->6)-β-D-glucopyranoside]

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 类固醇和类固醇衍生物
• 英文名称: (25S)-5β-spirostan-3β-ol 3-O-[α-L-rhamnopyranosyl-(1->6)-β-D-glucopyranosyl-(1->6)-β-D-glucopyranoside]
• 英文别名: racemoside B；(2S,3R,4R,5R,6R)-2-methyl-6-[[(2R,3S,4S,5R,6R)-3,4,5-trihydroxy-6-[[(2R,3S,4S,5R,6R)-3,4,5-trihydroxy-6-[(1R,2S,4S,5'S,6R,7S,8R,9S,12S,13S,16S,18R)-5',7,9,13-tetramethylspiro[5-oxapentacyclo[10.8.0.02,9.04,8.013,18]icosane-6,2'-oxane]-16-yl]oxyoxan-2-yl]methoxy]oxan-2-yl]methoxy]oxane-3,4,5-triol
• 化学式: C₄₅H₇₄O₁₇
• 分子量: 887.072
• InChiKey: SOLLLKXKOBZXOZ-DOBQRKPPSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.1
• 重原子数：
  62
• 可旋转键数：
  8
• 环数：
  9.0
• sp3杂化的碳原子比例：
  1.0
• 拓扑面积：
  256
• 氢给体数：
  9
• 氢受体数：
  17

反应信息

• 作为反应物：
  描述：

  (25S)-5β-spirostan-3β-ol 3-O-[α-L-rhamnopyranosyl-(1->6)-β-D-glucopyranosyl-(1->6)-β-D-glucopyranoside] 在 盐酸 作用下， 以 1,4-二氧六环 为溶剂， 反应 3.0h， 生成 丝兰提取物
  参考文献：
  名称：

  Steroidal saponins from the fruits of Asparagus racemosus

  摘要：

  Three steroidal saponins, racemosides A (1), B (2) and C (3), were isolated from the methanolic extract of the fruits of Asparagus racemosus, and characterized as (25S)-5 beta-spirostan-3 beta-ol-3-O-{beta-D- glucopyranosyl (1 -> 6)-[alpha-L-rhamnopyranosyl (1 -> 6)-beta-D-glucopyranosyl (1 -> 4)]-beta-D-glucopyranoside}, (25S)=5 beta-spirostan-3 beta-ol-3-O-alpha-L-rhamnopyranosyl (1 -> 6)-beta-D-glucopyranosyl (1 -> 6)-beta-D-glucopyranoside and (25S)-5 beta-spirostan-3 beta-ol-3-O-{alpha-L-rhamnopyranosyl-(1 -> 6)-[alpha-L-rhamnopyranosyl (1 -> 4)]-beta-D-glucopyranoside}, respectively, by spectrometric analysis and some chemical strategies. (c) 2006 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.phytochem.2006.04.005

文献信息

• Steroidal saponins from the fruits of Asparagus racemosus
  作者：Debayan Mandal、Sukdeb Banerjee、Nirup B. Mondal、Ajit K. Chakravarty、Niranjan P. Sahu

  DOI：10.1016/j.phytochem.2006.04.005

  日期：2006.7

  Three steroidal saponins, racemosides A (1), B (2) and C (3), were isolated from the methanolic extract of the fruits of Asparagus racemosus, and characterized as (25S)-5 beta-spirostan-3 beta-ol-3-O-beta-D- glucopyranosyl (1 -> 6)-[alpha-L-rhamnopyranosyl (1 -> 6)-beta-D-glucopyranosyl (1 -> 4)]-beta-D-glucopyranoside}, (25S)=5 beta-spirostan-3 beta-ol-3-O-alpha-L-rhamnopyranosyl (1 -> 6)-beta-D-glucopyranosyl (1 -> 6)-beta-D-glucopyranoside and (25S)-5 beta-spirostan-3 beta-ol-3-O-alpha-L-rhamnopyranosyl-(1 -> 6)-[alpha-L-rhamnopyranosyl (1 -> 4)]-beta-D-glucopyranoside}, respectively, by spectrometric analysis and some chemical strategies. (c) 2006 Elsevier Ltd. All rights reserved.