Methyl 2-propan-2-yl-2-trimethylsilyloxycyclopropane-1-carboxylate | 90288-80-5

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 英文名称: Methyl 2-propan-2-yl-2-trimethylsilyloxycyclopropane-1-carboxylate
• CAS: 90288-80-5
• 化学式: C₁₁H₂₂O₃Si
• 分子量: 230.379
• InChiKey: KHRBEXUEQTXULE-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.43
• 重原子数：
  15
• 可旋转键数：
  5
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.91
• 拓扑面积：
  35.5
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  Methyl 2-propan-2-yl-2-trimethylsilyloxycyclopropane-1-carboxylate 在 钾硼氢 作用下， 以 甲醇 为溶剂， 反应 17.0h， 以95%的产率得到5-异丙基二氢呋喃-2(3H)-酮
  参考文献：
  名称：

  2-Siloxy-substituted methyl cyclopropanecarboxylates as building blocks in synthesis: efficient one-pot conversion to .gamma.-butyrolactones

  摘要：

  DOI：

  10.1021/jo00202a017
• 作为产物：
  描述：

  2-(trimethylsilyloxy)-3-methyl-1-butene 、 重氮乙酸甲酯 在 copper acetylacetonate 作用下， 以 乙酸乙酯 为溶剂， 以80%的产率得到Methyl 2-propan-2-yl-2-trimethylsilyloxycyclopropane-1-carboxylate
  参考文献：
  名称：

  METHOXYCARBONYLMETHYLATION OF ALDEHYDES VIA SILOXYCYCLOPROPANES: METHYL 3,3-DIMETHYL-4-OXOBUTANOATE

  摘要：

  DOI：

  10.15227/orgsyn.071.0189

文献信息

• Stereoselective synthesis of tricyclic compounds by intramolecular palladium-catalyzed addition of aryl iodides to carbonyl groups
  作者：Jakub Saadi、Christoph Bentz、Kai Redies、Dieter Lentz、Reinhold Zimmer、Hans-Ulrich Reissig

  DOI：10.3762/bjoc.12.118

  日期：——

  process that stereoselectively led to bi- and tricyclic compounds in moderate to excellent yields. Four X-ray crystal structure analyses unequivocally defined the structure of crucial cyclization products. The relative configuration of the precursor compounds is essentially transferred to that of the products and the formed hydroxy group in the newly generated cyclohexane ring is consistently in trans-arrangement

  从具有邻碘苄基的γ-酮酸酯开始，我们研究了钯催化的环化过程，该过程立体选择性地产生了中等至极好的收率的双环和三环化合物。四种X射线晶体结构分析明确定义了关键环化产物的结构。前体化合物的相对构型基本上转移到产物的相对构型，并且新生成的环己烷环中形成的羟基相对于甲氧基羰基始终处于反式排列。提出了一种过渡态模型来解释观察到的立体化学结果。该钯催化的Barbier型反应需要将钯（II）还原回到钯（0），这显然是通过本发明的三乙胺实现的。
• A novel rearrangement leading to methoxycarbonylmethylated silyl enol ethers
  作者：Hans-Ulrich Reissig

  DOI：10.1016/s0040-4039(00)98693-3

  日期：1985.1

  Methyl 2-siloxycyclopropanecarboxylates rearrange smoothly and quantitatively to the corresponding silyl enol ethers (3) by addition of a catalytical amount of iodo trimethylsilane. Scope and limitation of this novel process as well as the synthesis of the electron rich diene (10a) are described.

  通过加入催化量的碘代三甲基硅烷，将2-甲硅烷氧基环丙烷甲酸甲酯平稳而定量地重排为相应的甲硅烷基烯醇醚（3）。描述了该新颖方法的范围和局限性以及富电子二烯（10a）的合成。
• Benzannulated Cyclooctanol Derivatives by Samarium Diiodide Induced Intramolecular Carbonyl–Alkene Coupling – Scope, Limitations, Stereoselectivity
  作者：Hans-Ulrich Reißig、Faiz Ahmed Khan、Regina Czerwonka、Chimmanamada U. Dinesh、Aarif L. Shaikh、Reinhold Zimmer

  DOI：10.1002/ejoc.200600360

  日期：2006.10

  A series of γ-oxo esters 27-34 was prepared from methyl 2-silyloxycyclopropanecarboxylates 1-9 as key building blocks in a flexible modular synthesis. Their samarium diiodide promoted cyclization to benzannulated cyclooctanol derivatives was systematically investigated. Samarium ketyl compounds derived from aldehydes 27 and 28 mainly provided tricyclic γ-lactones 38 and 39 as a result of a cis-selective

  一系列 γ-氧代酯 27-34 是由 2-甲硅烷氧基环丙烷羧酸甲酯 1-9 制备的，作为灵活模块化合成中的关键构建块。系统地研究了他们的二碘化钐促进环化成苯并环化的环辛醇衍生物。作为顺式选择性闭环过程的结果，源自醛 27 和 28 的钐羰基化合物主要提供三环 γ-内酯 38 和 39，而相关的酮 29-31 进行反式选择性还原环化以提供预期的苯并环辛醇衍生物 43-45 的产量中等至极好。对于环己酮 33 和 34，观察到有趣的立体化学匹配/错配情况。而非对映异构体 33a 和 34a 以良好的产率顺利提供三环产物 47 和 48，具有明显错配构型的化合物 33b 没有经历二碘化钐促进的闭环过程。提出了对这种有趣行为的解释，以及对顺式/反式选择性的解释。三环γ-内酯38可以在一个桥头顺利去质子化，生成的烯醇锂被合适的卤代烷捕获。值得注意的是，通过直接使用分子氧进行 38 和 39 的清洁 α-羟基化是可能的，提供相应的叔醇
• Kunkel, Elisabeth; Reichelt, Ingrid; Reissig, Hans-Ulrich, Liebigs Annalen der Chemie, 1984, # 4, p. 802 - 819
  作者：Kunkel, Elisabeth、Reichelt, Ingrid、Reissig, Hans-Ulrich

  DOI：——

  日期：——
• Competition between Novel 8- endo-dig and 6- trig Cyclizations of Samarium Ketyls Leading either to Benzannulated Cyclooctene or to Hexahydronaphthalene Derivatives
  作者：Erathodiyil Nandanan、Chimmanamada U Dinesh、Hans-Ulrich Reissig

  DOI：10.1016/s0040-4020(00)00353-7

  日期：2000.6

  Ketoesters 3a-3h with an alkynylaryl substituent were prepared by standard methods starting from siloxycyclopropanes 6a and 6b. Their reactions with 2.2 equiv. of samarium diiodide in the presence of hexamethyl phosphoramide either produced benzannulated cyclooctenol derivatives 4b (or lactone 9), 4f, 4g, and 4h or hexahydronaphthalene derivatives 5a, 5c, and 5d. The competition between 8-endo-dig and 6-trig cyclizations strongly depends on the substitution pattern of 3. Plausible explanations for this competition and of the diastereoselectivity observed are presented in this paper. (C) 2000 Elsevier Science Ltd. All rights reserved.