| 602335-52-4

• CAS: 602335-52-4
• 化学式: C₁₉H₃BF₁₅*C₂₃H₁₁F₁₀Hf
• 分子量: 1182.83
• InChiKey: GPJJLKMHZLUXPS-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  None
• 重原子数：
  None
• 可旋转键数：
  None
• 环数：
  None
• sp3杂化的碳原子比例：
  None
• 拓扑面积：
  None
• 氢给体数：
  None
• 氢受体数：
  None

反应信息

• 作为产物：
  描述：

  1,1'-bis(pentafluorophenyl)hafnocene dimethide 、 三(五氟苯基)硼烷 以 氘代甲苯 为溶剂， 生成
  参考文献：
  名称：

  Analysis of Metallocene−Methylalumoxane Methide Transfer Processes in Solution Using a ¹⁹F NMR Spectroscopic Probe

  摘要：

  The metallocenes (C6F5C5H4)CpZrMe2 (1, Cp = C5H5) and (C6F5C5H4)(2)MMe2 (2a, M = Zr; 2b, M = Hf) were treated with B(C6F5)(3) and, separately, with commercial methylalumoxane (MAO, depleted of excess Me3Al). The ensuing methide transfer reactions were followed by F-19 NMR. Spectra of the "activated" species obtained using MAO and excess B(C6F5)3 were strikingly similar, suggesting that similar "cation-like" species are formed using either organo-Lewis acid, and the MAO-activated species were tentatively formulated as (C6F5C5H4)CpZrMe+ Me[AlMeO](n)(-) and as (C6F5C5H4)(2)MMe+ Me[AlMeO](n)(-) (M = Zr, Hf). The relative amount of L2MMe2 and [L2MMe](+) species observed in solution was measured as a function of [MAO] and as a function of [M] at constant [MAO]. Results are interpreted in terms of a canonical model in which MAO contains relatively few highly active Lewis acidic sites.

  DOI：

  10.1021/om030171n