methyl 7-oxooctanoate | 16493-42-8

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 脂肪酰基
• 英文名称: methyl 7-oxooctanoate
• 英文别名: 7-Oxo-octansaeure-methylester；7-Oxo-octansaeure-methylester; 7-Oxo-caprylsaeure-methylester；7-Oxo-caprylsaeure-methylester
• CAS: 16493-42-8
• 化学式: C₉H₁₆O₃
• 分子量: 172.224
• InChiKey: NKWMLOXILABMHV-UHFFFAOYSA-N

物化性质

• 沸点：
  246.2±23.0 °C(Predicted)
• 密度：
  0.969±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.1
• 重原子数：
  12
• 可旋转键数：
  7
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.78
• 拓扑面积：
  43.4
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  methyl 7-oxooctanoate 在 吡啶 、 lithium aluminium tetrahydride 、 对甲苯磺酸 作用下， 以 四氢呋喃 、 苯 为溶剂， 反应 20.0h， 生成 6-(2-Methyl-1,3-dioxolan-2-yl)hexyl 4-methylbenzenesulfonate
  参考文献：
  名称：

  Potentiation of cADPR-Induced Ca²⁺-Release by Methylxanthine Analogues

  摘要：

  Caffeine and other methylxanthines are known to induce Ca2+-release from intracellular stores via the ryanodine receptor. In the present work, a range of caffeine analogues, in which methyl groups at the 1 and 7 positions were replaced with alkyl chains containing different functional groups (oxo, hydroxyl, propargyl, ester, and acids), were synthesized. These compounds were then screened for their ability to potentiate Ca2+-release induced by cADPR (an endogenous modulator of ryanodine receptors) in sea urchin egg homogenates. Two of the synthesized methylxanthines, 1,3-dimethyl-7-(7-hydroxyoctyl)xanthine (37) and 3-methyl-7-(7-oxooctyl)-1-propargylxanthine (66), were shown to be more potent than caffeine in potentiating cADPR-induced Ca2+-release, while 1,3-dimethyl-7-(5-ethylcarboxypentyl)xanthine (14) was shown to be more efficacious. The development of new methylxanthine analogues may lead to a better understanding of ryanodine receptor function and could possibly provide novel therapeutic agents.

  DOI：

  10.1021/jm980469t
• 作为产物：
  描述：

  5-溴戊酸甲酯 在 potassium carbonate 、 苯硫酚 作用下， 以 N,N-二甲基甲酰胺 、 苯 为溶剂， 反应 43.0h， 生成 methyl 7-oxooctanoate
  参考文献：
  名称：

  Diiodosilane. 4.¹Direct Reduction of Ketals and Acetals in the Presence of Unprotected Carbonyls. A Case of Inverted Chemoselectivity

  摘要：

  酮和醛可被二碘硅烷选择性地还原成碘烷。这种颠倒 "受保护 "和 "未受保护 "羰基的正常反应顺序的做法，可以部分还原多羰基化合物，并具有不同寻常的区域和化学选择性。 因此，8,8-(亚乙二氧基)辛烷-2-酮、7,7-(亚乙二氧基)辛醛、3,3-(亚乙二氧基)-雄甾烷-17-酮和 3,3-(亚乙二氧基)孕烷-11,20-二酮被转化为相应的碘化合物。

  DOI：

  10.1055/s-1991-26533

文献信息

• 4-Quinolylmethyl and 1-Naphthylmethyl as Benzyl-type Protecting Groups of Carboxylic Acids Removable by Homogeneous Palladium-Catalyzed Hydrogenolysis
  作者：André Boutros、Jean-Yves Legros、Jean-Claude Fiaud

  DOI：10.1016/s0040-4020(99)01108-4

  日期：2000.4

  4-Quinolylmethyl (4-QUI) esters are reduced by palladium-catalyzed hydrogenolysis by formate anion. The reaction conditions are compatible with reducible substituents or functional groups as aromatic bromo, alkene, aldehyde, ketone, nitrile, ethyl and benzyl esters. An allyl ester is cleaved selectively in the presence of a 4-QUI ester. 1-Naphthylmethyl (1-NAP) esters of α-amino acids could be deprotected

  通过钯催化的甲酸根阴离子的氢解作用，可以还原4-喹啉基甲基（4-QUI）酯。反应条件与可还原的取代基或官能团如芳族溴，烯烃，醛，酮，腈，乙酯和苄酯相容。在4-QUI酯的存在下，烯丙基酯被选择性地裂解。α-氨基酸的1-萘甲基（1-NAP）酯可以通过相同的方法脱保护而无需消旋。
• Arylmethyl esters as protecting groups for carboxylic, carbonic and carbamic acids: deprotection via homogeneous palladium-catalyzed hydrogenolysis
  作者：André Boutros、Jean-Yves Legros、Jean-Claude Fiaud

  DOI：10.1016/s0040-4039(99)01457-4

  日期：1999.10

  4-Quinolylmethyl (4-QUI) esters of carboxylic acids and 1-naphthylmethyl (1-NAP) esters of carbonic and carbamic acids are reduced by palladium-catalyzed hydrogenolysis by formate anion. The reaction conditions are compatible with the presence of a benzyl ester and of an alkene double bond.

  通过甲酸根离子进行钯催化的氢解反应，可以还原羧酸的4-喹啉甲基（4-QUI）酯以及碳酸和氨基甲酸的1-萘甲基（1-NAP）酯。反应条件与苄基酯和烯烃双键的存在相容。
• A New Synthetic Method for the Preparation of Ketones by Denitration of α-Nitro Ketones
  作者：Noboru Ono、Masayuki Fujii、Aritsune Kaji

  DOI：10.1055/s-1987-27995

  日期：——

  The sequence of acylation of nitroalkanes and subsequent denitration of the resulting α-nitro ketones provides a new and general method for the preparation of ketones.

  硝基烷烃的酰化反应及其随后生成的一硝基酮的脱硝反应，提供了一种新的、普遍适用的酮制备方法。
• Design and Synthesis of Ligand Efficient Dual Inhibitors of Janus Kinase (JAK) and Histone Deacetylase (HDAC) Based on Ruxolitinib and Vorinostat
  作者：Lianbin Yao、Nurulhuda Mustafa、Eng Chong Tan、Anders Poulsen、Prachi Singh、Minh-Dao Duong-Thi、Jeannie X. T. Lee、Pondy Murugappan Ramanujulu、Wee Joo Chng、Jeffrey J. Y. Yen、Sten Ohlson、Brian W. Dymock

  DOI：10.1021/acs.jmedchem.7b00678

  日期：2017.10.26

  would simplify treatment regimes. Herein the core features of ruxolitinib (1), a marketed JAK1/2 inhibitor, have been merged with the HDAC inhibitor vorinostat (2), leading to new molecules that are bispecific targeted JAK/HDAC inhibitors. A preferred pyrazole substituted pyrrolopyrimidine, 24, inhibits JAK1 and HDACs 1, 2, 3, 6, and 10 with IC50 values of less than 20 nM, is <100 nM potent against

  同时抑制多种致癌途径是癌症治疗中的理想目标。用单个分子实现这样的结果将简化治疗方案。本文将市售JAK1 / 2抑制剂ruxolitinib（1）的核心特征与HDAC抑制剂伏立诺他（vorinoSTat）（2）合并，从而产生了新的分子，它们是双特异性靶向JAK / HDAC抑制剂。优选的吡唑取代的吡咯并嘧啶24抑制JAK1，HDAC 1、2、3、6和10的IC 50值小于20 nM，对JAK2和HDAC11的效价<100 nM，并且对JAK家族具有选择性一组97种激酶。广泛的细胞抗增殖能力为24血液细胞系中的JAK-STAT和HDAC信号通路阻滞实验证明了这一点。甲基类似物45具有更高的选择性。这项研究为评估用单个分子实现的JAK和HDAC途径双重抑制提供了新的线索。
• An Efficient Iron-Catalyzed Carbon-Carbon Single-Bond Cleavage via Retro-Claisen Condensation: A Mild and Convenient Approach to Synthesize a Variety of Esters or Ketones
  作者：Srijit Biswas、Sukhendu Maiti、Umasish Jana

  DOI：10.1002/ejoc.201000128

  日期：2010.5

  iron-salt-catalyzed carbon–carbon bond cleavage occurring through a retro-Claisen condensation reaction has been developed. The reaction is useful for the synthesis of a variety of esters or ketones under mild conditions. This method works under solvent-free conditions without the need of an inert atmosphere. This protocol is also applicable for the one-pot syntheses of ketones through tandem carbon–carbon bond

  已经开发出一种通过逆克莱森缩合反应发生的有效铁盐催化碳碳键断裂。该反应可用于在温和条件下合成各种酯或酮。该方法在无溶剂条件下工作，无需惰性气氛。该协议也适用于通过串联碳 - 碳键形成（取代或迈克尔）然后进行逆克莱森反应的酮的一锅合成。然而，对于迈克尔加合物，环环随后发生。值得注意的是，该方法非常简单、方便、收率高，并且只需要催化量（5 至 10 mol%）的 Fe(OTf)3。