bis(octahydrotriborato)bis(dimethyl ether)magnesium(II) | 957934-05-3

• 英文名称: bis(octahydrotriborato)bis(dimethyl ether)magnesium(II)
• CAS: 957934-05-3
• 化学式: C₄H₂₈B₆MgO₂
• 分子量: 197.436
• InChiKey: VMUSSYDNCXJAJA-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
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• 重原子数：
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• 可旋转键数：
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• 环数：
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• sp3杂化的碳原子比例：
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• 拓扑面积：
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• 氢给体数：
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• 氢受体数：
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反应信息

• 作为产物：
  描述：

  sodium octahydrotriborate 、 magnesium bromide ethyl etherate 以 neat (no solvent, solid phase) 为溶剂， 以25%的产率得到bis(octahydrotriborato)bis(dimethyl ether)magnesium(II)
  参考文献：
  名称：

  Volatile Magnesium Octahydrotriborate Complexes as Potential CVD Precursors to MgB₂. Synthesis and Characterization of Mg(B₃H₈)₂ and Its Etherates

  摘要：

  The solid-state reaction of MgBr2 and NaB3H8 at 20 degrees C, followed by sublimation at 80 degrees C and 0.05 Torr, affords Mg(B3H8)(2) as a white solid. Similar reactions with MgBr2(Et2O) and MgBr2(Me2O)(1.5) afford the crystalline ether adducts Mg(B3H8)(2)(Et2O)(2) and Mg(B3H8)(2)(Me2O)(2), respectively. In contrast, reactions of MgBr2 with NaB3H8, the presence of excess solvent result in the formation of nonvolatile, probably ionic, magnesium compounds of the type [MgLx][B3H8](2). The adducts Mg(H-3(8))2(Et2O)(2) and Mg(B3H8)(2)(Me2O)(2) are the first crystallographically characterized magnesium complexes of the B3H8- ligand; in both structures, the magnesium center adopts a distorted cisoctahedral geometry with two bidentate B3H8 groups and two Et2O ligands. Owing to their volatility, Mg(B3H8)(2)(Et2O)(2) and Mg(B3H8)(2)(Me2O)(2) are potential precursors for the deposition of MgB2 thin films, although preliminary efforts to employ them as chemical vapor deposition sources produce boron-rich MgBx films instead, with x approximate to 7. Finally, the synthesis and structure of CP2Mg(thf) are described: this mono-thf adduct of CP2Mg bears two eta(5)-Cp groups, unlike other Lewis base adducts of CP2Mg, which contain one eta(5)-Cp group and one eta(1)- or eta(2)-Cp group.

  DOI：

  10.1021/ic701037t

文献信息

• WO2008/127935
  申请人：——

  公开号：——

  公开（公告）日：——