2,2,3-tris(trimethylsilyl)-3-[(trimethylsilyl)methyl]hexamethyltetrasilane | 1314030-01-7

• 分子结构分类: 有机化合物 - 有机金属化合物 - 有机类金属化合物
• 英文名称: 2,2,3-tris(trimethylsilyl)-3-[(trimethylsilyl)methyl]hexamethyltetrasilane
• 英文别名: 1,1,1,2,2-pentakis(trimethylsilyl)-2-[(trimethylsilyl)methyl]disilane；Trimethyl-[trimethylsilyl-(trimethylsilylmethyl)-tris(trimethylsilyl)silylsilyl]silane；trimethyl-[trimethylsilyl-(trimethylsilylmethyl)-tris(trimethylsilyl)silylsilyl]silane
• CAS: 1314030-01-7
• 化学式: C₁₉H₅₆Si₈
• 分子量: 509.338
• InChiKey: STJNCSVNCNGBCV-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  7.92
• 重原子数：
  27
• 可旋转键数：
  8
• 环数：
  0.0
• sp3杂化的碳原子比例：
  1.0
• 拓扑面积：
  0
• 氢给体数：
  0
• 氢受体数：
  0

反应信息

• 作为反应物：
  描述：

  2,2,3-tris(trimethylsilyl)-3-[(trimethylsilyl)methyl]hexamethyltetrasilane 在 AlCl₃/FeCl₃ cosublimate 作用下， 以 环己烷 为溶剂， 反应 16.0h， 以36%的产率得到1,1,5-tris(trimethylsilyl)-3-carba-2,2,4,4,5-pentamethylcyclopentasilane
  参考文献：
  名称：

  低聚硅烷与氯化铝的重排/断裂反应。

  摘要：

  用Al（Fe）Cl（3）催化剂体系对路易斯酸催化的一些开链过甲基低聚硅烷的重排进行了重新研究，结果显示了几种其他反应性的情况：即片段化/环化反应。将（三甲基甲硅烷基）甲基取代基引入到低聚硅烷底物中极大地促进了该反应，产生了环状或双环的碳环硅烷。有关催化剂体系组成的研究表明，向AlCl（3）晶格中掺入约0.1％FeCl（3）可提供有效的催化剂。

  DOI：

  10.1021/om1011165
• 作为产物：
  描述：

  2,2,3,3-tetrakis(trimethylsilyl)hexamethyltetrasilane 、 氯甲基三甲基硅烷 在 potassium tert-butylate 作用下， 以 四氢呋喃 为溶剂， 以82%的产率得到2,2,3-tris(trimethylsilyl)-3-[(trimethylsilyl)methyl]hexamethyltetrasilane
  参考文献：
  名称：

  Conformational Control of Polysilanes: Use of CH₂ Spacers in the Silicon Backbone

  摘要：

  By the reaction of a number of oligosilyl potassium compounds with (trimethylsilyl)chloromethane, derivatives containing the (trimethylsilyl)methyl substituent were prepared. Using X-ray single-crystal structure analysis and UV spectroscopy the conformational properties of some of the compounds were studied. It was found that the (trimethylsilyl)methylated examples exhibit UV absorption properties which correspond to lower energy transitions in comparison to those of analogous trimethyl-silylated molecules. The influence of this effect decreases, however, with increasing chain lengths.

  DOI：

  10.1021/om1011159

文献信息

• Rearrangement/Fragmentation Reactions of Oligosilanes with Aluminum Chloride
  作者：Harald Wagner、Judith Baumgartner、Christoph Marschner、Peter Poelt

  DOI：10.1021/om1011165

  日期：2011.8.8

  Reinvestigation of the Lewis acid catalyzed rearrangement of some open-chain permethyloligosilanes with the Al(Fe)Cl(3) catalyst system exhibited several cases of additional reactivity: namely, a fragmentation/cyclization reaction. Introduction of (trimethylsilyl)methyl substituents into the oligosilane substrates strongly facilitated this reaction, yielding cyclic or bicyclic carbacyclosilanes. Investigations concerning

  用Al（Fe）Cl（3）催化剂体系对路易斯酸催化的一些开链过甲基低聚硅烷的重排进行了重新研究，结果显示了几种其他反应性的情况：即片段化/环化反应。将（三甲基甲硅烷基）甲基取代基引入到低聚硅烷底物中极大地促进了该反应，产生了环状或双环的碳环硅烷。有关催化剂体系组成的研究表明，向AlCl（3）晶格中掺入约0.1％FeCl（3）可提供有效的催化剂。
• Conformational Control of Polysilanes: Use of CH₂ Spacers in the Silicon Backbone
  作者：Andreas Wallner、Johann Hlina、Harald Wagner、Judith Baumgartner、Christoph Marschner

  DOI：10.1021/om1011159

  日期：2011.8.8

  By the reaction of a number of oligosilyl potassium compounds with (trimethylsilyl)chloromethane, derivatives containing the (trimethylsilyl)methyl substituent were prepared. Using X-ray single-crystal structure analysis and UV spectroscopy the conformational properties of some of the compounds were studied. It was found that the (trimethylsilyl)methylated examples exhibit UV absorption properties which correspond to lower energy transitions in comparison to those of analogous trimethyl-silylated molecules. The influence of this effect decreases, however, with increasing chain lengths.