bis-Z,Z-[(2-chloro-1-trimethylsilylvinyl)dichlorotellurium]oxide | 1052272-52-2

• 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: bis-Z,Z-[(2-chloro-1-trimethylsilylvinyl)dichlorotellurium]oxide
• 英文别名: (μ2-oxo)-bis[dichloro((Z)-2-chloro-1-trimethylsilylethenyl)tellurium(IV)]
• CAS: 1052272-52-2
• 化学式: C₁₀H₂₀Cl₆OSi₂Te₂
• 分子量: 680.357
• InChiKey: RWTSWIYQCXNNFE-XOHWUJONSA-N

反应信息

• 作为产物：
  描述：

  三甲基乙炔基硅 在 水 、 四氯化碲 作用下， 以 氯仿 为溶剂， 反应 11.5h， 以56%的产率得到bis-Z,Z-[(2-chloro-1-trimethylsilylvinyl)dichlorotellurium]oxide
  参考文献：
  名称：

  First example of the anti-Markownikoff addition of tellurium tetrachloride to terminal acetylene, trimethyl ethynyl silane

  摘要：

  (mu(2)-Oxo)-bis[dichloro(Z-2-chloro-1-trimethylsilylethenyl)tellurium(IV)] (III) was prepared by electrophilic addition of TeCl4 to trimethylethynylsilane in CHCl3 at room temperature. The reaction is the first example of the anti-Markownikoff type addition of TeCl4 to terminal acetylenes affording as an intermediate the 1:1 adduct [Z-1-(trimethylsilyl)-2-chlorovinyl]tellurium trichloride (II). The latter is converted into III by a sequence of successive reactions of hydrolysis and dehydration. The structure of compound III was proved by the of multinuclear (H-1, C-13, Si-29, Te-125) NMR spectroscopy and XRD analysis. Compound III is the first example of structurally characterized C-TeCl2-O fragment.

  DOI：

  10.1134/s1070363208110145

文献信息

• anti-Markovnikov addition of tellurium tetrachloride to trimethyl ethynyl silane
  作者：S.V. Amosova、A.V. Martynov、V.A. Shagun、M.V. Musalov、L.I. Larina、L.B. Krivdin、L.V. Zhilitskaya、M.G. Voronkov

  DOI：10.1016/j.jorganchem.2008.04.041

  日期：2008.7

  An investigation of the TeCl4 interaction with trimethyl ethynyl silane 1 in CHCl3 has shown that anti-Markovnikov adduct [Z-1-(trimethylsilyl)-2-chlorovinyl] tellurium trichloride is formed as the only product. In time, it is hydrolyzed to give [Z-1-(trimethylsilyl)-2-chlorovinyl] tellurium (hydroxy) dichloride which, in turn, is dehydrated to afford bis[(2-chloro-1-trimethyl-silylvinyl) dichlorotellurium] oxide. These data revealed that the reaction studied was the first example of anti-Markovnikov syn-addition of TeCl4 to terminal acetylenes. A computed simulation of the TeCl4 interaction with ethynyl silane 1 in a gas state using PES method did not reveal dominating orientation of the addition but showed the conditions at which anti-Markovnikov addition can occur and which were probably met in carrying out the reaction in CHCl3. (C) 2008 Elsevier B.V. All rights reserved.