(+/-)-4-heptyloxetan-2-one | 39185-88-1

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 内酯类
• 英文名称: (+/-)-4-heptyloxetan-2-one
• 英文别名: 4-n-heptyl-oxetan-2-one；4-heptyloxetan-2-one；γ-n-Heptyl-butyrolacton
• CAS: 39185-88-1
• 化学式: C₁₀H₁₈O₂
• 分子量: 170.252
• InChiKey: DCRWHTXIWYNJKU-UHFFFAOYSA-N

物化性质

• 沸点：
  250.9±9.0 °C(Predicted)
• 密度：
  0.953±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  3.3
• 重原子数：
  12
• 可旋转键数：
  6
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.9
• 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：

  (+/-)-4-heptyloxetan-2-one 在 sodium azide 作用下， 以 二甲基亚砜 为溶剂， 反应 18.0h， 生成 3-azidodecanoic acid
  参考文献：
  名称：

  可点击的脂质：叠氮基和炔基脂肪酸以及三酰基甘油

  摘要：

  AbstractHydroxy fatty acids (FAs), which were isolated from glycolipids that can be prepared fermentatively from fats and oils, have been synthetically modified to contain azide and alkyne functional groups. These particular functional groups were chosen because they can participate in a copper‐catalyzed reaction that combines them to form a 1,4‐triazole, known as a “click” reaction, which has been widely used in a variety of fields but remains underutilized in FA chemistry. Depending on the starting hydroxy FA, these groups can be close to the carboxy unit (using 3‐hydroxydecanoate) and hence the polar glycerol group, or distant from it (using 17‐hydroxyoctadecanoate). These structural alternatives will impart different properties to the triacylglycerols that are subsequently prepared from the modified FA. Finally, the click reaction was used to conjugate triacylglycerols to each other and to other molecules such as a glycolipid or a protected amine.

  DOI：

  10.1007/s11746-009-1442-z
• 作为产物：
  描述：

  3-mesyldecanoic acid 在 碳酸氢钠 作用下， 以 二甲基亚砜 为溶剂， 反应 3.0h， 生成 (+/-)-4-heptyloxetan-2-one
  参考文献：
  名称：

  可点击的脂质：叠氮基和炔基脂肪酸以及三酰基甘油

  摘要：

  AbstractHydroxy fatty acids (FAs), which were isolated from glycolipids that can be prepared fermentatively from fats and oils, have been synthetically modified to contain azide and alkyne functional groups. These particular functional groups were chosen because they can participate in a copper‐catalyzed reaction that combines them to form a 1,4‐triazole, known as a “click” reaction, which has been widely used in a variety of fields but remains underutilized in FA chemistry. Depending on the starting hydroxy FA, these groups can be close to the carboxy unit (using 3‐hydroxydecanoate) and hence the polar glycerol group, or distant from it (using 17‐hydroxyoctadecanoate). These structural alternatives will impart different properties to the triacylglycerols that are subsequently prepared from the modified FA. Finally, the click reaction was used to conjugate triacylglycerols to each other and to other molecules such as a glycolipid or a protected amine.

  DOI：

  10.1007/s11746-009-1442-z

文献信息

• Synthesis and inhibitory action on HMG-CoA synthase of racemic and optically active oxetan-2-ones (β-Lactones)
  作者：Daniel Romo、Paul H.M. Harrison、Stephen I. Jenkins、R.William Riddoch、Kaapjoo Park、Hong Woon Yang、Cunxiang Zhao、Gerard D. Wright

  DOI：10.1016/s0968-0896(98)00114-x

  日期：1998.8

  but variable enantioselectivity (22-85% ee). In in vitro assays using both native and recombinant HMG-CoA synthase from Saccharomyces cerevisiae, oxetan-2-ones mono-substituted at C4 with linear alkyl chains gave IC50s that decreased monotonically with chain length up to 10 carbons and then rose rapidly for longer chains. The trans isomers of 3-methyl-4-alkyl-oxetan-2-ones showed a similar trend but had

  研究了C3-未取代和C3-甲基取代的氧杂环丁烷-2-酮（β-内酯）的同源系列，它们是酵母3-羟基-3-甲基戊二酰辅酶A（HMG-CoA）合酶的潜在抑制剂。研究了几种报道的外消旋β-内酯合成方法，以制备目标系列。此外，研究了由Et2AlCl与（1R，2R）-2-[[（二苯基）羟甲基]环己-1-醇组合制得的新型铝基路易斯酸，用于醛和三甲基甲硅烷基烯酮的不对称[2 + 2]环加成反应。该路易斯酸显示出良好的反应性，但是对映选择性可变（22-85％ee）。在使用来自酿酒酵母的天然和重组HMG-CoA合酶进行的体外分析中，在C4处被直链烷基链单取代的氧杂环丁烷-2-酮的IC50随链长增加至10个碳原子而单调下降，然后对于更长的链迅速上升。3-甲基-4-烷基-氧杂环丁烷-2-酮的反式异构体显示出相似的趋势，但IC50降低了1.3-5.6倍。结果暗示该酶中的大量疏水口袋与氧杂环丁烷-2-酮抑制剂的C-3和C-4取代基相互作用。
• Practical Enantioselective Synthesis of β-Lactones Catalyzed by Aluminum Bissulfonamide Complexes
  作者：Thomas Kull、René Peters

  DOI：10.1002/adsc.200700084

  日期：2007.7.2

  practical aluminum-bissulfonamide complex catalyzed enantioselective formation of β-lactones by [2+2] cycloaddition of ketene (generated in situ from acetyl bromide by dehydrobromination) with various α-unbranched and -branched aliphatic aldehydes is presented. The methodology offers the advantage of operational simplicity not only as the ligand synthesis requires just a single sulfonylation step from commercially

  提出了一种有效和实用的铝-双磺酰胺铝配合物（通过乙烯酮的[2 + 2]环加成反应（由乙酰溴通过脱氢溴化而原位生成））与各种α-非支链和-支链的脂族醛催化β-内酯的对映选择性形成的研究。该方法提供了操作简单的优点，不仅因为配体合成仅需要来自市售对映体纯的二胺的单个磺酰化步骤。使用10摩尔％的双磺酰胺配体，可以高至极好的收率形成产品，其ee值通常在78％到90％之间。这项工作的关键发现是通过使用1.5：1的铝/配体比率来显着提高速率。
• Studies of the tandem Mukaiyama aldol-lactonization (TMAL) reaction: A concise and highly diastereoselective route to β-lactones applied to the total synthesis of the potent pancreatic lipase inhibitor, (−)-Panclicin D
  作者：Hong Woon Yang、Cunxiang Zhao、Daniel Romo

  DOI：10.1016/s0040-4020(97)01029-6

  日期：1997.12

  A concise and highly diastereoselective route to β-lactones has been developed based on a tandem Mukaiyama aldol-lactonization employing thiopyridylsilylketene acetals and various aldehydes. (−)-Panclicin D, a potent pancreatic lipase inhibitor, was synthesized using this methodology. Recent optimization and extensions of this method are described which include variation of the silyl group and leaving

  基于使用硫代吡啶基甲硅烷基乙烯酮缩醛和各种醛类的串联Mukaiyama醇醛内酯化法，已开发出一种简洁且高度非对映选择性的β-内酯途径。使用这种方法合成了一种有效的胰脂肪酶抑制剂（-）-PanclicinD。描述了该方法的最近的优化和扩展，其包括乙烯酮缩醛的甲硅烷基和离去基团的变化。
• A Highly Diastereoselective, Tandem Mukaiyama Aldol-Lactonization Route to β-Lactones:  Application to a Concise Synthesis of the Potent Pancreatic Lipase Inhibitor, (−)-Panclicin D
  作者：Hong Woon Yang、Daniel Romo

  DOI：10.1021/jo9619488

  日期：1997.1.1
• HUFFER, MANFRED;SCHREIER, PETER, FRESENIUS Z. ANAL. CHEM., 333,(1989) N, C. 736-737
  作者：HUFFER, MANFRED、SCHREIER, PETER

  DOI：——

  日期：——