dimethyl 2-(2-benzyl-3-oxopropyl)-2-(prop-2-ynyl)malonate | 1228504-67-3

• 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: dimethyl 2-(2-benzyl-3-oxopropyl)-2-(prop-2-ynyl)malonate
• 英文别名: Dimethyl 2-(2-benzyl-3-oxopropyl)-2-prop-2-ynylpropanedioate；dimethyl 2-(2-benzyl-3-oxopropyl)-2-prop-2-ynylpropanedioate
• CAS: 1228504-67-3
• 化学式: C₁₈H₂₀O₅
• 分子量: 316.354
• InChiKey: REVIPZVTCMMGLM-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.4
• 重原子数：
  23
• 可旋转键数：
  10
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.39
• 拓扑面积：
  69.7
• 氢给体数：
  0
• 氢受体数：
  5

反应信息

• 作为反应物：
  描述：

  dimethyl 2-(2-benzyl-3-oxopropyl)-2-(prop-2-ynyl)malonate 在 copper(II) bis(trifluoromethanesulfonate) 、 环己胺 、 三苯基膦 作用下， 以 1,2-二氯乙烷 为溶剂， 反应 90.0h， 以68%的产率得到dimethyl 3-benzyl-3-formyl-4-methylenecyclopentane-1,1-dicarboxylate
  参考文献：
  名称：

  铜（i）–胺金属有机催化的碳和杂环体系的合成† ‡

  摘要：

  通过氨基催化和金属催化的结合，实现了五元环状结构的高效，原子经济的合成。结合催化铜（I）配合物和催化量的铜（I）的新型金属-有机催化体系的发现。环己胺 可以在室温下制备各种骨架，例如环戊烷，茚满，吡咯烷和 四氢呋喃，是许多生物学相关分子的重要结构核心。提出了力学研究。

  DOI：

  10.1039/c2ob06449a
• 作为产物：
  描述：

  dimethyl 2-(2-(1,3-dioxolan-2-yl)-3-phenylpropyl)-2-(prop-2-ynyl)malonate 在 甲酸 作用下， 以 1,4-二氧六环 、 水 为溶剂， 以75%的产率得到dimethyl 2-(2-benzyl-3-oxopropyl)-2-(prop-2-ynyl)malonate
  参考文献：
  名称：

  Combined InCl₃- and Amine-Catalyzed Intramolecular Addition of α-Disubstituted Aldehydes onto Unactivated Alkynes

  摘要：

  The combination of enamine-type catalysis to the indium-catalyzed activation of alkynes allows the efficient preparation of functionalized cyclopentanes bearing a quaternary stereogenic center. A broad range of formylalkynyl derivatives has been prepared. The InCl3/(Cy)(i-Pr)NH system efficiently promotes the carbocyclization reaction of alpha-disubstituted aldehydes in good to excellent yields.

  DOI：

  10.1021/ol100729t

文献信息

• InCl₃/CyNH₂ Cocatalyzed Carbocyclization Reaction: An Entry to α-Disubstituted <i>exo</i>-Methylene Cyclopentanes
  作者：Benjamin Montaignac、Maxime R. Vitale、Virginie Ratovelomanana-Vidal、Véronique Michelet

  DOI：10.1021/jo1018552

  日期：2010.12.3

  An efficient and cheap synthetic approach to functionalized exo-methylene cyclopentanes has been developed from alpha-disubstituted formyl-alkynes by merging amine catalysis with the indium activation of alkynes. We uncovered the crucial role of the amine cocatalyst and the development of a new cooperative catalytic system allowed the cyclization of a broad range of substrates. A mechanistic study was realized in order to rationalize the determining influence of the amine cocatalyst.
• Combined InCl₃- and Amine-Catalyzed Intramolecular Addition of α-Disubstituted Aldehydes onto Unactivated Alkynes
  作者：Benjamin Montaignac、Maxime R. Vitale、Veronique Michelet、Virginie Ratovelomanana-Vidal

  DOI：10.1021/ol100729t

  日期：2010.6.4

  The combination of enamine-type catalysis to the indium-catalyzed activation of alkynes allows the efficient preparation of functionalized cyclopentanes bearing a quaternary stereogenic center. A broad range of formylalkynyl derivatives has been prepared. The InCl3/(Cy)(i-Pr)NH system efficiently promotes the carbocyclization reaction of alpha-disubstituted aldehydes in good to excellent yields.
• Copper(i)–amine metallo-organocatalyzed synthesis of carbo- and heterocyclic systems
  作者：Benjamin Montaignac、Victor Östlund、Maxime R. Vitale、Virgnie Ratovelomanana-Vidal、Véronique Michelet

  DOI：10.1039/c2ob06449a

  日期：——

  and atom economical synthesis of 5-membered cyclic structures has been achieved through the combination of amino catalysis and metal catalysis. The discovery of a novel metallo-organocatalytic system merging the use of a catalytic copper(I) complex and a catalytic amount of cyclohexylamine allowed the room temperature preparation of a broad range of skeletons such as cyclopentanes, indanes, pyrrolidines

  通过氨基催化和金属催化的结合，实现了五元环状结构的高效，原子经济的合成。结合催化铜（I）配合物和催化量的铜（I）的新型金属-有机催化体系的发现。环己胺 可以在室温下制备各种骨架，例如环戊烷，茚满，吡咯烷和 四氢呋喃，是许多生物学相关分子的重要结构核心。提出了力学研究。