bis[N-(3-tert-butylsalicylidene)-4-fluororanilinato]titanium(IV) dichloride | 417725-67-8

• 英文名称: bis[N-(3-tert-butylsalicylidene)-4-fluororanilinato]titanium(IV) dichloride
• 英文别名: bis(N-(3-t-butylsalicylidene)-4'-fluoroanilinato)titanium(IV)dichloride
• CAS: 417725-67-8
• 化学式: C₃₄H₃₄Cl₂F₂N₂O₂Ti
• 分子量: 659.439
• InChiKey: HDPAHFAWRKKJCR-XAWIBARTSA-J

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：

  N-(3-tert-butylsalicylidene)-4-fluororaniline 、 四氯化钛 在 n-butyllithium 作用下， 以 乙醚 、 正己烷 、 正庚烷 为溶剂， 生成 bis[N-(3-tert-butylsalicylidene)-4-fluororanilinato]titanium(IV) dichloride
  参考文献：
  名称：

  含氟苯氧基-亚胺螯合配体钛配合物催化乙烯活性聚合

  摘要：

  含氟苯氧基-亚胺螯合配体 TiCl(2)[eta(2)-1-[C(H)=NR]-2-O-3-(t)Bu-C(6)H 的七种钛配合物(3)](2) [R = 2,3,4,5,6-五氟苯基(1), R = 2,4,6-三氟苯基(2), R = 2,6-二氟苯基(3), R = 2-氟苯基（4），R = 3,4,5-三氟苯基（5），R = 3,5-二氟苯基（6），R = 4-氟苯基（7）]，由锂盐合成必需的配体和 TiCl(4) 以良好的产率 (22%-76%)。X射线分析表明，配合物1和3采用扭曲的八面体结构，其中两个苯氧基处于反位，而两个亚胺氮和两个氯原子相互顺式，空间配置相同。与相应的非氟化络合物相同。尽管 Ti-O、Ti-N、配合物 1 和 3 的 Ti-Cl 键距与非氟化配合物的键距非常相似，配体之间的键角（例如，O-Ti-O、N-Ti-N 和 Cl-Ti-Cl）和由于引入了氟原子，涉及亚胺氮上的苯基的

  DOI：

  10.1021/ja0117581

文献信息

• Highly active ethylene polymerization catalysts based on titanium complexes having two phenoxy-imine chelate ligands
  作者：Sei-ichi Ishii、Junji Saito、Makoto Mitani、Jun-ichi Mohri、Naoto Matsukawa、Yasushi Tohi、Shigekazu Matsui、Norio Kashiwa、Terunori Fujita

  DOI：10.1016/s1381-1169(01)00303-x

  日期：2002.2

  Five titanium complexes having F(s) or CF3(S) Containing phenoxy-imine chelate ligands were prepared and investigated for their potential as ethylene polymerization catalysts using methylalumoxane (MAO) as a co-catalyst at 25 degreesC under atmospheric pressure. Polymerization results showed that the electrophilicity of the titanium center plays a dominant role in determining activity. These results clearly demonstrate, for the first time, the electron-withdrawing substituent effects on polymerization activity. The complexes possessing plural F(s) or CF3(S) in the phenoxy-imine ligand displayed very high activities exceeding those for Cp2TiCl2 and Cp2ZrCl2. The activity, 43,300 kg polyethylene (PE) mol-cat(-1) h(-1), exhibited by the complex having three fluorines in the ligand, represents the highest value reported to date for ethylene polymerization catalysts based on titanium complexes under atmospheric pressure at ambient temperatures. (C) 2002 Elsevier Science B.V. All rights reserved.