5β-cholan-3-en-24-oic acid methyl ester | 1053-60-7

• 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: 5β-cholan-3-en-24-oic acid methyl ester
• 英文别名: methyl Δ³-cholenate；methyl 5β-chol-3-en-24-oate；methyl 5β-chol-3-enoate；methyl chol-3-ene-24-oate；5β-chol-3-en-24-oic acid methyl ester；5β-Chol-3-en-24-saeure-methylester；methyl (4R)-4-[(5R,8S,9S,10S,13R,14S,17R)-10,13-dimethyl-2,5,6,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]pentanoate
• CAS: 1053-60-7
• 化学式: C₂₅H₄₀O₂
• 分子量: 372.591
• InChiKey: SWOCCXUIQRXEJJ-ZXKBGTPZSA-N

物化性质

• 熔点：
  71-73 °C
• 沸点：
  440.1±14.0 °C(Predicted)
• 密度：
  1.000±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  7.6
• 重原子数：
  27
• 可旋转键数：
  5
• 环数：
  4.0
• sp3杂化的碳原子比例：
  0.88
• 拓扑面积：
  26.3
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  5β-cholan-3-en-24-oic acid methyl ester 在 palladium hydroxide, 20 wt% on carbon 、 氢气 、 sodium hydroxide 作用下， 以 四氢呋喃 、 甲醇 、 水 为溶剂， 反应 12.0h， 生成 5β-胆烷酸
  参考文献：
  名称：

  Investigation on bile acid receptor regulators. Discovery of cholanoic acid derivatives with dual G-protein coupled bile acid receptor 1 (GPBAR1) antagonistic and farnesoid X receptor (FXR) modulatory activity

  摘要：

  Bile acids, the end products of cholesterol metabolism, activate multiple mechanisms through the interaction with membrane G-protein coupled receptors including the bile acid receptor GPBAR1 and nuclear receptors such as the bile acid sensor, farnesoid X receptor (FXR). Even if dual FXR/GPBAR1 agonists are largely considered a novel opportunity in the treatment of several liver and metabolic diseases, selective targeting of one of these receptors represents an attractive therapeutic approach for a wide range of disorders in which dual modulation is associated to severe side effects. In the present study we have investigated around the structure of LCA generating a small library of cholane derivatives, endowed with dual FXR agonism/GPBAR1 antagonism. To the best of our knowledge, this is the first report of bile acid derivatives able to antagonize GPBAR1. (C) 2015 Elsevier Inc. All rights reserved.

  DOI：

  10.1016/j.steroids.2015.11.003
• 作为产物：
  描述：

  石胆酸 在 高氯酸 、 硫酸 、 原甲酸三甲酯 作用下， 反应 4.0h， 生成 5β-cholan-3-en-24-oic acid methyl ester
  参考文献：
  名称：

  On The Protection of 3α-Hydroxy Group of A/BcisSteroids

  摘要：

  The difficulties encountered in the protection of 3-alpha-hydroxy group of lithocholic acid 1 with three different types of protective groups are described. Only benzyl ether derivative was found to be suitable for synthetic transformations. The methodology for the synthesis of benzyl ethers of A/B cis steroids is reported for the first time.

  DOI：

  10.1080/00397919108019755

文献信息

• Preparation of olefins from alcohols by thermal rearrangement of propargylic xanthates
  作者：Mélanie Fauré-Tromeur、Samir Z Zard

  DOI：10.1016/s0040-4039(98)02669-0

  日期：1999.2

  Upon heating in toluene in the presence of a catalytic amount of collidinium trifluorosulfonate salt, various S-propargylic xanthates derived from secondary alcohols can be easily converted to their corresponding olefins in good yields.

  在催化量的三氟磺酸Collidinium盐的存在下在甲苯中加热后，衍生自仲醇的各种S-炔丙基黄原酸酯可以容易地以良好的产率转化为其相应的烯烃。
• A Mild One-Pot Method for Conversion of Various Steroidal Secondary Alcohols into the Corresponding Olefins
  作者：Henri Kagan、Raju Kumar、Shrutisagar Haveli

  DOI：10.1055/s-0030-1260803

  日期：2011.7

  to some hydroxy steroids in the presence of excess base directly leads to steroidal olefins. This methodology is useful for the one-pot synthesis of Δ 2 - or Δ 3 -steroids under mild conditions from the corresponding alcohols.

  在过量碱的存在下将 Tf 2 O 添加到一些羟基甾族化合物中直接导致甾族烯烃。这种方法可用于在温和条件下从相应的醇一锅合成 Δ 2 - 或 Δ 3 - 类固醇。
• Rearrangement spinal en serie a/b : conversion du lithocholate de methyle en derives du d-homoandrostane
  作者：C. Aubert、J.P. Bégué、D. Bonnet-Delpon

  DOI：10.1016/s0040-4020(01)96368-9

  日期：1985.1

  A new backbone rearrangement is observed in A/B cis methyl lithocholate derivatives. It is initiated from the C-3 carbon either by dehalogenation of the chloroesters 1 by AgSbFg6 or by the action of the triflic anhydride on the si1y1ated ether 2. This rearrangement leads to methyl diacholenate 3 and new lactones in D-homoandrostane series 5 and 6. The differences of behaviour between A/B cis and A/B

  在A / B顺式甲硫胆酸甲酯衍生物中观察到新的主链重排。它是由C-3碳引发的，方法是通过AgSbFg 6脱除氯酸酯1或通过三氟甲磺酸酐在甲硅烷基化的醚2上的作用。这种重排导致D-高雄烷酮系列5和D的双内酰胺酸3和新的内酯。 6.讨论了A / B顺式和A / B反式序列的行为差异以及重排机理。
• Potential bile acid metabolites. XV. Synthesis of 4.BETA.-hydroxylated bile acids; unique bile acids in human fetal bile.
  作者：Takashi IIDA、Toshiaki MOMOSE、Frederic C. CHANG、Junichi GOTO、Tosio NAMBARA

  DOI：10.1248/cpb.37.3323

  日期：——

  The 4 beta-hydroxylated derivatives of lithocholic, deoxycholic, chenodeoxycholic, and cholic acids were synthesized from their respective parent compounds. The principal reactions employed were 1) beta-face cis-dihydroxylation of delta 3 intermediates with osmium tetroxide-N-methylmorpholine N-oxide, 2) selective cathylation of vicinal 3 beta,4 beta-diols followed by oxidation of the resulting 4 beta-monocathylates

  由它们各自的母体化合物合成了石胆酸，脱氧胆酸，鹅去氧胆酸和胆酸的4个β-羟基化衍生物。所采用的主要反应是1）用四氧化-N-甲基吗啉N-氧化物对delta 3中间体进行β-面顺-二羟基化； 2）对邻位3 beta，4β-二醇进行选择性催化氧化，然后将所得4β-单羧酸盐，或用氯铬酸吡啶鎓在C-3处直接选择性氧化3个beta，4个β-二醇，以及3）用叔丁胺-硼烷络合物立体选择性还原3-氧代化合物。
• Convenient synthesis of monomeric steroids from steroidal oxalate dimers using flash vacuum pyrolysis (FVP)
  作者：LUTFUN NAHAR、ALAN TURNER、SATYAJIT SARKER

  DOI：10.3906/kim-0907-111

  日期：——

  Flash vacuum pyrolysis (FVP) or thermolysis (FVT), an environmentally friendly method for studying organic reaction mechanisms as well as synthesis, was applied to a series of oxalate dimers (1, 3, 5, 7, 9, 11, 13, and 15) to synthesise monomeric enes, dienes, and a triene (2, 4, 6, 8, 10, 12, 14, and 16). All steroidal monomers were identified by spectroscopic means.

  闪光真空热解（FVP）或热解（FVT）是一种环保的方法，用于研究有机反应机制以及合成。此方法应用于一系列草酸二聚体（1、3、5、7、9、11、13 和 15），以合成单体烯、二烯和三烯（2、4、6、8、10、12、14 和 16）。所有类固醇单体均通过光谱手段进行鉴定。