[2,6-Bis(2,6-dimethylphenyl)phenyl]phosphanylidene-trimethyl-lambda5-phosphane | 440355-14-6

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: [2,6-Bis(2,6-dimethylphenyl)phenyl]phosphanylidene-trimethyl-lambda5-phosphane
• 英文别名: [2,6-bis(2,6-dimethylphenyl)phenyl]phosphanylidene-trimethyl-λ5-phosphane
• CAS: 440355-14-6
• 化学式: C₂₅H₃₀P₂
• 分子量: 392.461
• InChiKey: WDKLXFAMWVFTDJ-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  6.1
• 重原子数：
  27
• 可旋转键数：
  3
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.28
• 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：

  [2,6-Bis(2,6-dimethylphenyl)phenyl]phosphanylidene-trimethyl-lambda5-phosphane 以 氘代苯 为溶剂， 反应 1.0h， 以100%的产率得到[2,6-Bis(2,6-dimethylphenyl)phenyl]-[2,6-bis(2,6-dimethylphenyl)phenyl]phosphanylidenephosphane
  参考文献：
  名称：

  A role for free phosphinidenes in the reaction of magnesium and sterically encumbered ArPCl2 in solution at room temperature

  摘要：

  The reduction of ArPCl2 (Ar = 2,6-Trip(2)C(6)H(3), 2,6-Mes(2)C(6)H(3), 2,6-(2,6-Me2C6H3)(2)C6H3, or 2,4,6-(Bu3C6H3)-Bu-t) by various forms of activated magnesium have been examined and compared with previously reported reductions using unactivated magnesium. The current reactions are more rapid and give rise to products that are reminiscent of products obtained by irradiation of phosphanylidene-sigma(4)-phosphoranes ArP-PMe3 bearing the same Ar groups. The correlation in product distributions suggests the involvement of phosphinidenes in the reduction of aryldichlorophosphines by activated magnesium. (C) 2002 Elsevier Science B.V. All rights reserved.

  DOI：

  10.1016/s0022-328x(01)01384-5
• 作为产物：
  描述：

  [2,6-Bis(2,6-dimethylphenyl)phenyl]-dichlorophosphane 、 三甲基膦 在 锌 作用下， 以 四氢呋喃 为溶剂， 反应 4.5h， 以70%的产率得到[2,6-Bis(2,6-dimethylphenyl)phenyl]phosphanylidene-trimethyl-lambda5-phosphane
  参考文献：
  名称：

  A role for free phosphinidenes in the reaction of magnesium and sterically encumbered ArPCl2 in solution at room temperature

  摘要：

  The reduction of ArPCl2 (Ar = 2,6-Trip(2)C(6)H(3), 2,6-Mes(2)C(6)H(3), 2,6-(2,6-Me2C6H3)(2)C6H3, or 2,4,6-(Bu3C6H3)-Bu-t) by various forms of activated magnesium have been examined and compared with previously reported reductions using unactivated magnesium. The current reactions are more rapid and give rise to products that are reminiscent of products obtained by irradiation of phosphanylidene-sigma(4)-phosphoranes ArP-PMe3 bearing the same Ar groups. The correlation in product distributions suggests the involvement of phosphinidenes in the reduction of aryldichlorophosphines by activated magnesium. (C) 2002 Elsevier Science B.V. All rights reserved.

  DOI：

  10.1016/s0022-328x(01)01384-5

文献信息

• An Unusual Equilibrium Chlorine Atom Transfer Process and Its Potential for Assessment of Steric Pressure by Bulky Aryls
  作者：Rhett C. Smith、Shashin Shah、Eugenijus Urnezius、John D. Protasiewicz

  DOI：10.1021/ja028422r

  日期：2003.1.1

  An unusually facile intermolecular chlorine atom transfer process has been discovered between the phospha-Wittig reagents ArP=PMe3 and ArPCl2 (Ar is a sterically hindered aryl group). The atom transfer process is catalyzed by added PMe3. A mechanism is forwarded that is based upon a Me3P/Me3PCl2 couple that allows shuttling of chlorine atoms between ArP groups. This unique transfer process is exploited to evaluate the steric properties of aryl groups via an equilibrium process.