diphenylmethyl-di-t-butylphosphine | 76181-97-0

• 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: diphenylmethyl-di-t-butylphosphine
• 英文别名: (di-tert-butyl)(diphenylmethyl)phosphine；(Ph2CH)(t-Bu)2P；P(tBu)2(CHPh2)；Di-tert-butyl(diphenylmethyl)phosphane；benzhydryl(ditert-butyl)phosphane
• CAS: 76181-97-0
• 化学式: C₂₁H₂₉P
• 分子量: 312.435
• InChiKey: BMRIFBCXHHZSAE-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  5.1
• 重原子数：
  22
• 可旋转键数：
  5
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.43
• 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：

  diphenylmethyl-di-t-butylphosphine 在 四氯化碳 作用下， 以 四氢呋喃 为溶剂， 以70%的产率得到di-t-butylchlorophosphonium diphenylmethylid
  参考文献：
  名称：

  Kolodyazhnyi, O. I., Journal of general chemistry of the USSR, 1981, vol. 51, p. 2125 - 2137

  摘要：

  DOI：
• 作为产物：
  描述：

  二叔丁基氯化膦 、 diphenylmethyllithium 以 四氢呋喃 为溶剂， 以60%的产率得到diphenylmethyl-di-t-butylphosphine
  参考文献：
  名称：

  Kolodyazhnyi, O. I., Journal of general chemistry of the USSR, 1981, vol. 51, p. 2125 - 2137

  摘要：

  DOI：

文献信息

• Cyclopalladation of the Prochiral (Di-<i>tert</i>-butyl)(diphenylmethyl)phosphine:  Kinetic Lability of the Corresponding (+)-Phosphapalladacyclic Pd−C Bond and the Reluctance of the Phosphine to Bind in a Monodentate Fashion
  作者：Joseph Kok-Peng Ng、Shuli Chen、Yongxin Li、Geok-Kheng Tan、Lip-Lin Koh、Pak-Hing Leung

  DOI：10.1021/ic0702320

  日期：2007.6.1

  organopalladium ring structure. In contrast, such bond cleavage was not observed at room temperature in the absence of HCl. In fact, the phosphine was observed to readily ortho palladate even under conditions not favorable to cyclopalladation. Indeed, the difficulty of isolating the phosphine as a simple eta1-P monodentate coordination complex was further noted by its lack of reactivity toward the N,N-

  前手性（二叔丁基）（二苯基甲基）膦的邻位缩合反应容易产生二聚配合物二μ-氯双（[[（苯基）（二叔丁基膦基）甲基]苯基-C2，P }二钯（II）。随后通过（S）-脯氨酸钠的光学拆分获得（S，S）-（+）-二聚体。光学拆分的（+）-二聚体的绝对构型是由衍生化的O，O-乙酰丙酮化物络合物的X射线衍射研究得出的。（+）二聚体的可用性对于研究Pd-C键的性质至关重要。磷丙二环的Pd-C键表现出显着的热力学稳定性。即使在回流的含有浓盐酸的丙酮溶液中，也不能永久破裂以产生eta1-P单齿。反而，在该条件下，通过可逆的Pd-C键断裂/形成，膦在环的闭合和开环状态之间波动。不可避免地，这导致五元有机钯环结构的外消旋化。相反，在不存在HCl的情况下，在室温下未观察到这种键断裂。实际上，即使在不利于环钯的条件下，也观察到磷化氢易于原钯。实际上，由于其对N，N-二甲基-1-（1'萘基）乙基氨基化的palladacycle
• Dihydrogen Activation by B(<i>p</i>-C₆F₄H)₃ and Phosphines
  作者：Matthias Ullrich、Alan J. Lough、Douglas W. Stephan

  DOI：10.1021/om100563m

  日期：2010.8.23

  The Grignard reagent (p-C6F4H)MgCl was used to prepare (Et2O)B(p-C6F4H)(3) (2) and the free borane B(p-C6F4H)(3) (1). On the basis of Lewis acidity tests, the borane 1 exhibits ca. 95% of the acidity of B(C6F5)(3). 1 forms classical adducts with ethers and phosphines of the general formula (L)B(p-C6F4H)(3) (L = Et2O (2), THF (3), Me3P (4), Et3P (5), i-Pr-2(H)P (6), Ph3P (7), (3,5-M Me2C6H3)(3)P (8), t-Bu-2(H)P (9), and Cy3P (10)). Compounds 9 and 10 react with 4 atm of H-2 to give the salts [t-Bu2PH2][HB(p-C6F4H)(3)] (11) and [Cy3PH][HB(p-C6F4H)(3)] (12). The sterically demanding phosphines R3P (R = t-Bu, i-Pr, 2,4,6-Me3C6H2, and 2-MeC6H4), R2R'P (R, R' = t-Bu, i-Pr and t-Bu, Cy), and (Ph2CH)R2P (R = t-Bu (22), i-Pr (23), Cy (24), and C5H9 (25)) show no evidence of adduct formation with 1, but react with 142 to give the corresponding salts [R3PH][HB(p-C6F4H)(3)] (13-16), [R2R'PH][HB(p-C6F4H)(3)] (17-20), and [(Ph2CH)R2PH][HB(p-C6F4H)(3)] (26-29), respectively. The [t-Bu2PH2](+) species 11 is stable only under an H-2 overpressure, while the [t-Bu3PH](+) salt 13 cleanly extrudes isobutene and H-2 at elevated temperatures to give 9. The [(2-MeC6H4)(3)PH](+) derivative 16 readily liberates H-2 under vacuum, thus providing a metal-free system capable of reversible H, uptake and release. Crystallographic data for compounds 1, 5, 8, 9, 10, 13, and 26 are reported.
• KOLODYAZHNYJ O. I., ZH. OBSHCH. XIMII, 1980, 50 HO 8, 1885-1886,
  作者：KOLODYAZHNYJ O. I.

  DOI：——

  日期：——
• KOLODYAZHNYJ, O. I., ZH. OBSHCH. XIMII, 1981, 51, N 11, 2466-2480
  作者：KOLODYAZHNYJ, O. I.

  DOI：——

  日期：——
• Kolodyazhnyi, O. I., Journal of general chemistry of the USSR, 1981, vol. 51, p. 2125 - 2137
  作者：Kolodyazhnyi, O. I.

  DOI：——

  日期：——