3-O-[β-D-glucuronopyranosyl] 2β-hydroxy oleanolic acid | 879507-53-6

• 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: 3-O-[β-D-glucuronopyranosyl] 2β-hydroxy oleanolic acid
• 英文别名: 3-O-β-D-glucuronopyranosyl-2β-hydroxyoleanolic acid；caryocaroside IV-5；(2S,3S,4S,5R,6R)-6-[[(2S,3R,4aR,6aR,6bS,8aS,12aS,14aR,14bR)-8a-carboxy-2-hydroxy-4,4,6a,6b,11,11,14b-heptamethyl-1,2,3,4a,5,6,7,8,9,10,12,12a,14,14a-tetradecahydropicen-3-yl]oxy]-3,4,5-trihydroxyoxane-2-carboxylic acid
• CAS: 879507-53-6
• 化学式: C₃₆H₅₆O₁₀
• 分子量: 648.835
• InChiKey: NERHQGKEBFWBNZ-JFXLBYTDSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  5.2
• 重原子数：
  46
• 可旋转键数：
  4
• 环数：
  6.0
• sp3杂化的碳原子比例：
  0.89
• 拓扑面积：
  174
• 氢给体数：
  6
• 氢受体数：
  10

反应信息

• 作为反应物：
  描述：

  3-O-[β-D-glucuronopyranosyl] 2β-hydroxy oleanolic acid 在 盐酸 、 水 作用下， 以 甲醇 为溶剂， 反应 3.0h， 生成 (1S,2S)-安非他酮N-1’-脱氧-beta-D-葡萄糖醛酸 、 Augustic acid
  参考文献：
  名称：

  New Triterpenic Saponins from the Aerial Parts of Medicago arabica (L.) Huds

  摘要：

  The reinvestigation of saponin composition from Medicago arabica from Italy allowed the detection of nineteen (1-19) saponins. All of them were purified by reverse-phase chromatography and their structures elucidated by spectroscopic and spectrometric (1D and 2D NMR; ESI-MS/MS) and chemical methods. Fourteen were known saponins, previously found in other plants including other Medicago, species. They have been identified as glycosides of oleanolic acid, 2 beta,3 beta-dihydroxyolean-12-en-28-oic acid, hederagenin, bayogenin and soyasapogenol B. Five saponins, identified as 3-O-[-alpha-L-arabinopyranosyl(1 -> 2)-beta-D-glucuronopyranosyl]-30-O-beta-D-glucopyranosyl 2 beta,3 beta,30-trihydroxyolean-12-en-28-oic acid (1), 3-O-[alpha-L-arabinopyranosyl(1 -> 2)-beta- -D-glucuronopyranosyl]-30-O-[beta-D-glucopyranosyl]3 beta,30-dihydroxyolean-12-en-28-oic acid (2), 3-O-[beta-D-glucuronopyranosyl]-30-O-[alpha-L-arabinopyranosyl(1 -> 2)-beta-D-glucopyranosyl]2 beta,3 beta,30-trihydroxyolean-12-en-28-oic acid (3), 3-O-[beta-D-glucuronopyranosyl]-30-O[alpha-L-arabinopyranosyl(1 -> 2)-beta-D-glucopyranosyl] 3 beta,30-dihydroxyolean-12-en-28-oic acid (4) and 3-O-[beta-D-glucuronopyranosyl]-30-O-[beta-D-glucopyranosyl] 2 beta,3 beta,30-trihydroxyolean-12-en-28-oic acid (5), are reported here as new natural compounds. These new saponins, possessing a hydroxy group at the 30-methyl position of the triterpenic skeleton, have never been previously found in the genus Medicago.

  DOI：

  10.1021/jf8036984