meso-tetracarbonyl(1,2-bis(phenylphosphino)ethane) | 152692-43-8

• 英文名称: meso-tetracarbonyl(1,2-bis(phenylphosphino)ethane)
• CAS: 152692-43-8；152784-42-4
• 化学式: C₁₈H₁₆O₄P₂W
• 分子量: 542.12
• InChiKey: QPKUHXGEJPQTGF-OKZBWPRMSA-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：

  六羰基钨 、 1,2-双(苯基膦酰)乙烷 以 二乙二醇 为溶剂， 以10.5%的产率得到meso-tetracarbonyl(1,2-bis(phenylphosphino)ethane)
  参考文献：
  名称：

  The disecondary phosphines [PhHP(CH2)nPHPh] (n = 2-4, 6): improved syntheses, NMR spectra and complexation behaviour with group VI Transition metal hexacarbonyls

  摘要：

  Improved preparations of the disecondary phosphines PhHP(CH2)(n)PHPh (n = 2, mppe; n = 3, mppp; n = 4, mppb; n = 6, mpph) by the lithium cleavage of the corresponding ditertiary phosphine Ph2P(CH2)(n)PPh2 are described and various NMR parameters are reported ; a C-12/13 isotope effect upon delta(P-31) is observed in the case of mppe. Reactions of mppe and mppp with [M(CO)6] (M = Cr, Mo, W) yield 1:1 complexes; both the meso and the rac isomers are produced, are separated and are unequivocally characterized by elemental analysis, vibrational spectroscopy and H-1, C-13 and P-31 NMR spectroscopy.

  DOI：

  10.1016/s0277-5387(00)83079-x

文献信息

• Further Improvements in the Preparation of Disecondary Phosphines PhHP(CH₂)<i>_n</i>PHPh, <i>n</i> = 2, 3, and Their Tetracarbonyltungsten Complexes:  Analysis of Their Multinuclear NMR Spectra
  作者：Ron S. Dickson、Patricia S. Elmes、W. Roy Jackson

  DOI：10.1021/om990027v

  日期：1999.7.1

  The disecondary phosphines PhHP(CH2)(n)PHPh, n = 2, 3, have been prepared in high yields (80%) after short reaction times (6 h) and converted into the meso- and rac-diastereomers of [PhHP(CH2)(n)PHPh}W(CO)(4)], n = 2, 3. C-12/13 isotope effects on P-31 shieldings and \(2)J(P-P)\ couplings have been calculated from the C-13 NMR spectra of the complexes.