2β,3β-dihydroxyolean-12-en-28-oic acid benzyl ester | 1034619-10-7

• 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: 2β,3β-dihydroxyolean-12-en-28-oic acid benzyl ester
• 英文别名: benzyl-2β,3β-dihydroxyolean-12-en-28-oic acid；benzyl 2β,3β-dihydroxyolean-12-en-28-oate；benzyl augustate；benzyl (4aS,6aR,6aS,6bR,8aR,10R,11S,12aR,14bS)-10,11-dihydroxy-2,2,6a,6b,9,9,12a-heptamethyl-1,3,4,5,6,6a,7,8,8a,10,11,12,13,14b-tetradecahydropicene-4a-carboxylate
• CAS: 1034619-10-7
• 化学式: C₃₇H₅₄O₄
• 分子量: 562.833
• InChiKey: VCQDNEMHUASJMM-RYMRHRFCSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  8.3
• 重原子数：
  41
• 可旋转键数：
  4
• 环数：
  6.0
• sp3杂化的碳原子比例：
  0.76
• 拓扑面积：
  66.8
• 氢给体数：
  2
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  2β,3β-dihydroxyolean-12-en-28-oic acid benzyl ester 在 10% Pd on charcoal 、 氢气 作用下， 以 四氢呋喃 为溶剂， 20.0 ℃ 、101.33 kPa 条件下， 反应 18.0h， 生成 Augustic acid
  参考文献：
  名称：

  天然存在的五环三萜作为糖原磷酸化酶的抑制剂：合成，结构活性关系和X射线晶体学研究。

  摘要：

  二十五个天然存在的五环三萜，在本研究中合成了十五个，被生物评估为兔肌肉糖原磷酸化酶α（GPa）的抑制剂。根据SAR研究，三萜皂苷中糖部分的存在导致活性显着降低（7、18-20）或无活性（21、22）。但是，这些皂苷可能具有潜在的天然前药价值，它们的水溶性比其相应的糖苷配基要高得多。为了阐明GP抑制的机制，我们确定了GPb-亚硫酸和GPb-山梨酸复合物的晶体结构。X射线分析表明，抑制剂在生理活化剂AMP结合的变构活化剂位点结合。

  DOI：

  10.1021/jm8000949
• 作为产物：
  描述：

  山楂酸 在 lithium aluminium tetrahydride 、 potassium carbonate 、 pyridinium chlorochromate 作用下， 以 四氢呋喃 、 二氯甲烷 、 N,N-二甲基甲酰胺 为溶剂， 反应 8.0h， 生成 2β,3β-dihydroxyolean-12-en-28-oic acid benzyl ester
  参考文献：
  名称：

  Maslinic acid derivatives induce significant apoptosis in b16f10 murine melanoma cells

  摘要：

  Maslinic acid (2 alpha,3 beta-dihydroxyolean-12-en-28-oic acid), a natural dihydroxylated pentacyclic triterpene acid isolated from olive-pressing residues, has been investigated together with some of its derivatives regarding the induction of apoptosis in B16F10 melanoma cells. Some of the compounds tested are described in this work, but others come from previous studies. Ten of these derivatives induce over 80% of apoptosis, clearly promoting cell death in B16F10 melanoma. By contrast, the induction cell death through necrosis was very slightly significant with these compounds. These results indicate that maslinic acid derivatives are promising chemopreventive and chemotherapeutic agents. (C) 2011 Elsevier Masson SAS. All rights reserved.

  DOI：

  10.1016/j.ejmech.2011.10.011

文献信息

• Naturally Occurring Pentacyclic Triterpenes as Inhibitors of Glycogen Phosphorylase: Synthesis, Structure−Activity Relationships, and X-ray Crystallographic Studies
  作者：Xiaoan Wen、Hongbin Sun、Jun Liu、Keguang Cheng、Pu Zhang、Liying Zhang、Jia Hao、Luyong Zhang、Peizhou Ni、Spyros E. Zographos、Demetres D. Leonidas、Kyra-Melinda Alexacou、Thanasis Gimisis、Joseph M. Hayes、Nikos G. Oikonomakos

  DOI：10.1021/jm8000949

  日期：2008.6.1

  Twenty-five naturally occurring pentacyclic triterpenes, 15 of which were synthesized in this study, were biologically evaluated as inhibitors of rabbit muscle glycogen phosphorylase a (GPa). From SAR studies, the presence of a sugar moiety in triterpene saponins resulted in a markedly decreased activity ( 7, 18- 20) or no activity ( 21, 22). These saponins, however, might find their value as potential

  二十五个天然存在的五环三萜，在本研究中合成了十五个，被生物评估为兔肌肉糖原磷酸化酶α（GPa）的抑制剂。根据SAR研究，三萜皂苷中糖部分的存在导致活性显着降低（7、18-20）或无活性（21、22）。但是，这些皂苷可能具有潜在的天然前药价值，它们的水溶性比其相应的糖苷配基要高得多。为了阐明GP抑制的机制，我们确定了GPb-亚硫酸和GPb-山梨酸复合物的晶体结构。X射线分析表明，抑制剂在生理活化剂AMP结合的变构活化剂位点结合。
• Practical Synthesis of Bredemolic Acid, a Natural Inhibitor of Glycogen Phosphorylase
  作者：Keguang Cheng、Pu Zhang、Jun Liu、Juan Xie、Hongbin Sun

  DOI：10.1021/np8003886

  日期：2008.12.1

  Bredemolic acid (3) is a naturally occurring 2beta,3alpha-isomer of maslinic acid (1) that is an allosteric site inhibitor of glycogen phosphorylase (GP). A practical synthesis of 3 was accomplished (18% yield) in five steps starting from the readily available 2beta,3beta-diol 6a. In a similar fashion, 2beta,3alpha-dihydroxyurs-12-en-28-oic acid (4) was synthesized as a natural 2beta,3alpha-isomer

  布雷地摩尔酸（3）是山梨酸（1）的天然2beta，3alpha异构体，是糖原磷酸化酶（GP）的变构位点抑制剂。从容易获得的2beta，3beta-二醇6a开始，分5个步骤完成了3的实际合成（产率为18％）。以类似的方式，合成了2β，3α-二羟基urs-12-en-28-oic酸（4），作为天然的β2，3α-椰油酸（2）。化合物3和4对兔肌肉GPa表现出显着的抑制活性，IC（50）值分别为6.25和1.1μM。
• Efficient Access to 2-Isobetulinic Acid, 2-Isooleanolic Acid, and 2-Isoursolic Acid
  作者：Jia Hao、Pu Zhang、Xiaoan Wen、Hongbin Sun

  DOI：10.1021/jo801232s

  日期：2008.9.19

  An efficient access to 2-isobetulin, 2-isobetulinic acid 2-isooleanolic acid, and 2-isoursolic acid has been developed The key step is a novel one-pot conversion of 2,3-dihydroxy triterpenes to 3-deoxy-2-oxo triterpenes. This method provides a new access to 3-deoxy-2-substituted pentacyclic triterpenes as potential therapeutic agents against metabolic diseases, tumors, and HIV infection.
• Maslinic acid derivatives induce significant apoptosis in b16f10 murine melanoma cells
  作者：Andres Parra、Francisco Rivas、Samuel Martin-Fonseca、Andres Garcia-Granados、Antonio Martinez

  DOI：10.1016/j.ejmech.2011.10.011

  日期：2011.12

  Maslinic acid (2 alpha,3 beta-dihydroxyolean-12-en-28-oic acid), a natural dihydroxylated pentacyclic triterpene acid isolated from olive-pressing residues, has been investigated together with some of its derivatives regarding the induction of apoptosis in B16F10 melanoma cells. Some of the compounds tested are described in this work, but others come from previous studies. Ten of these derivatives induce over 80% of apoptosis, clearly promoting cell death in B16F10 melanoma. By contrast, the induction cell death through necrosis was very slightly significant with these compounds. These results indicate that maslinic acid derivatives are promising chemopreventive and chemotherapeutic agents. (C) 2011 Elsevier Masson SAS. All rights reserved.