二溴双(2,4,6-三甲基苯基)锗 | 106092-67-5

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 中文名称: 二溴双(2,4,6-三甲基苯基)锗
• 英文名称: dimesityldibromogermane
• 英文别名: dibromodimesitylgermane；Dibromobis(2,4,6-trimethylphenyl)germane；dibromo-bis(2,4,6-trimethylphenyl)germane
• CAS: 106092-67-5
• 化学式: C₁₈H₂₂Br₂Ge
• 分子量: 470.771
• InChiKey: HYOTUEMDKARYPP-UHFFFAOYSA-N

物化性质

• 沸点：
  435.7±55.0 °C(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  4.88
• 重原子数：
  21
• 可旋转键数：
  2
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.33
• 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：

  二溴双(2,4,6-三甲基苯基)锗 、 2,4,6-三氟苯胺 在 1,8-二氮杂双环[5.4.0]十一碳-7-烯 作用下， 以 四氢呋喃 为溶剂， 生成 N-dimesitylbromogermyl-2,4,6-trifluoroaniline
  参考文献：
  名称：

  DERIVES N-GERMANIES DE LA 2,4,6-TRIFLUOROANILINE: GERMYLAMINES, GERMA-IMINE, CYCLODIGERMAZANE

  摘要：

  Germyl derivatives of N-2,4,6-trifluoroaniline were synthesized either by dehydrohalogenation between halogermanes and 2,4,6-trifluoroaniline over DBU (1,8-diazabicyclo[5.4.0]undec-7-ene) or by elimination between halogermanes and 2,4,6-trfluoroanilinolithium. Dimesitylfluorogermyl N-2,4,6-trifluoroanilinolithium stabilized by THF slowly eliminated lithium fluoride leading to 2,4(2,4,6-trifluorophenyl)-1,3-tetramesitylcyclodigermazane, mainly through intermolecular elimination while in the presence of MgBr2 or tBuMgBr the corresponding germa-imine was formed. Dimesitylchlorogermyl-2,4,6-tritluoroanilino lithium also led to cyclodigermazane while the corresponding bromogermyl lithium or magnesium compound gave mainly the stable 2,4,6-trifluorophenyl dimesitylgerma-imine by intramolecular elimination. The same stable germa-imine was also obtained by exchange reaction between dichlorodimesitylgermane and N-bis(triethylgermyl)2,4,6-trifluoroaniline. Reactivities of monomeric germa-imine and its dimer cyclodigermazane are compared. The dimer is almost inert towards water and methanol and does not react with chloroform and N-tert-butylphenyl nitrone while the germa-imine leads to the corresponding adducts. The adduct with chloroform through alpha-elimination of dichlorocarbene gave N-dimesitylchlorogermyl trifluoroaniline. The electron withrawing effects of the trifluorophenyl group on nitrogen stabilize the germa-imine, preventing its dimerization, but also induce a decrease in reactivity of germanium nitrogen compounds within the series.

  DOI：

  10.1080/10426509608046364
• 作为产物：
  描述：

  dimesityldimethoxygermane 在 氢溴酸 作用下， 以 水 、 苯 为溶剂， 以81%的产率得到二溴双(2,4,6-三甲基苯基)锗
  参考文献：
  名称：

  Some aspects of the reactivity of the first stable germaphosphene

  摘要：

  DOI：

  10.1021/ja00236a016

文献信息

• Synthesis and Structures of Novel Dithiaboretanes Containing a Group 4, 14, or 15 Element
  作者：Mitsuhiro Ito、Norihiro Tokitoh、Renji Okazaki

  DOI：10.1021/om970328+

  日期：1997.9.1

  aryltrihydroborate bearing the 2,4,6-tris[bis(trimethylsilyl)methyl]phenyl (Tbt) group, followed by treatment with electrophiles such as Cp2TiCl2, Mes2GeBr2, Ph2SnCl2, and TbtSbBr2 resulted in the isolation of novel four-membered boracycles, 1,3,2,4-dithiaboratitanetane, 1,3,2,4-dithiagermaboretane, 1,3,2,4-dithiastannaboretane, and 1,3,2,4-dithiastibaboretane as stable crystals, respectively. The introduction of

  二巯基硼烷TbtB（SH）2（1）的二价化反应是通过硫化相应的拥挤的带有2,4,6-三[双（三（三甲基甲硅烷基）甲基]苯基] TbtB的芳基三氢硼酸锂合成的，然后进行处理具有亲电试剂，例如Cp 2 TiCl 2，Mes 2 GeBr 2，Ph 2 SnCl 2和TbtSBBr 2导致分离出新颖的四元硼环，1,3,2,4-二硫杂硼烷，1,3,2,4-二硫杂硼烷，1,3,2,4-二硫杂硼烷和1,3,2,4-二硫杂巴比妥烷分别为稳定的晶体。将C，Si或P原子引入四元环并不成功。通过X射线晶体学分析确定新获得的四元硼环的结构。四元环几乎是平面的并且垂直于Tbt基团的芳族环。发现四元环中硼原子周围的几何形状几乎是三角形平面，并且环中的SB-S角不小于90°，​​表明硼和硫原子周围的几何形状为与1没有太大不同 尽管被嵌入到环网系统中。
• Dimesitylgermylidene p-toluene sulfonamide: a new stable germanium—nitrogen doubly bonded species
  作者：F. El Baz、M. Rivière-Baudet、M. Ahra

  DOI：10.1016/s0022-328x(97)00449-x

  日期：1997.12

  A new stable germanium doubly bonded species is obtained by dehydrohalogenation of the corresponding N-halogenogermyl p-toluene sulfonamide. The dimesitylgermylidene p-toluene sulfonamide is a stable and very reactive reagent leading to addition reactions with protic species such as water, t-butanol or chloroform. With 3,5-di-t-butyl ortho-diphenol, the reaction leads to the corresponding dimesitylgermadioxolane

  通过相应的N-卤代锗烷基对甲苯磺酰胺的脱卤化氢获得了一种新的稳定的锗双键物种。二烯丙基亚苄基对甲苯磺酰胺是一种稳定且反应性极强的试剂，可导致与质子物种（例如水，叔丁醇或氯仿）的加成反应。与3,5-二-吨-丁基邻二酚，将反应导致与消除相应dimesitylgermadioxolane p -甲苯磺酰胺。与苯甲醛一起，二聚异亚丙基亚磺酰胺导致假维蒂格反应，并形成相应的亚苄基对甲苯磺酰胺。与3,5-二ŧ-叔丁基邻醌，该反应的第一步涉及单电子转移，最终导致二甲基苯乙烯基二氧杂环戊烷，并生成对甲苯磺酰胺基自由基，其特征是复制成N，N-双（对甲苯磺酰基）肼。
• Formation of Oxoborane and Thioxoborane from a Dithiastannaboretane Derivative
  作者：Mitsuhiro Ito、Norihiro Tokitoh、Renji Okazaki

  DOI：10.1080/10426509708545677

  日期：1997.1.1

  Reaction with an oxygen-donating reagent such as DMSO and thermolysis of a 1,3,2,4-dithiastannaboretane derivative bearing 2,4,6-tris[bis(trimethylsilyl)methyl]phenyl (Tbt) group led to the formation of novel boron-group 16 element double bond compounds, oxoborane (Tbt-B=O) and thioxoborane (Tbt-B=S). The oxoborane and thioxoborane underwent cycloaddition reactions to give the corresponding adducts in good yields.