[Rh(1,2-bis(diisopropylphosphino)ethane)]2(μ-H)(μ-η(2)-HSiMePh) | 178106-56-4

• 英文名称: [Rh(1,2-bis(diisopropylphosphino)ethane)]2(μ-H)(μ-η(2)-HSiMePh)
• CAS: 178106-56-4
• 化学式: C₃₅H₇₄P₄Rh₂Si
• 分子量: 852.764
• InChiKey: XFYVQZMLVBFYQC-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

• 作为反应物：
  描述：

  [Rh(1,2-bis(diisopropylphosphino)ethane)]2(μ-H)(μ-η(2)-HSiMePh) 、 一氧化碳 以 甲苯 为溶剂， 生成 [Rh(1,2-bis(diisopropylphosphino)ethane)]2(μ-SiMePh)(μ-CO)
  参考文献：
  名称：

  Reactions of Secondary Silanes with [{Prⁱ₂PCH₂CH₂PPrⁱ₂}Rh]₂(μ-H)₂. A Series of Dinuclear Silyl−Hydride Complexes and Their Possible Involvement in the Catalytic Hydrosilylation of Olefins

  摘要：

  Addition of a 1 equiv of a secondary silane (RR'SiH2) to [(dippe)Rh](2)(mu-H)(2) (1) gives the complexes [(dippe)Rh](2)(mu-H)(mu-eta(2)-HSiRR') (2a, R = R' = Ph; 2b, R = R' = Me; 2c, R = Ph, R' = Me; dippe = 1,2-bis(diisopropylphosphino)ethane). X-ray diffraction studies of 2a,b confirm the presence of a three-center, two-electron, Rh-H-Si bond. The observed fluxionality of 2a-c in solution is due to exchange of the silicon and rhodium hydrides. Complexes 2a-c lose hydrogen in the presence of 1 equiv of carbon monoxide to give complexes 3a-c, [(dippe)Rh](2)(mu-SiRR')(mu-CO). A catalytic cycle is proposed for the hydrosilylation of olefins by diphenylsilane to give Ph(2)SiR(2) (R = Et) or Ph(2)SiHR (R = Bu), which occurs in the presence of 1, One of the active species is thought to be [(dippe)Rh](2)(mu-H)(mu-eta(2)-HSiPh(2)) (2a).

  DOI：

  10.1021/om950450d
• 作为产物：
  描述：

  [(1,2-bis(diisopropylphosphino)ethane)Rh]2(μ-H)2 、 甲基苯基硅烷 以 甲苯 为溶剂， 以62%的产率得到[Rh(1,2-bis(diisopropylphosphino)ethane)]2(μ-H)(μ-η(2)-HSiMePh)
  参考文献：
  名称：

  Reactions of Secondary Silanes with [{Prⁱ₂PCH₂CH₂PPrⁱ₂}Rh]₂(μ-H)₂. A Series of Dinuclear Silyl−Hydride Complexes and Their Possible Involvement in the Catalytic Hydrosilylation of Olefins

  摘要：

  Addition of a 1 equiv of a secondary silane (RR'SiH2) to [(dippe)Rh](2)(mu-H)(2) (1) gives the complexes [(dippe)Rh](2)(mu-H)(mu-eta(2)-HSiRR') (2a, R = R' = Ph; 2b, R = R' = Me; 2c, R = Ph, R' = Me; dippe = 1,2-bis(diisopropylphosphino)ethane). X-ray diffraction studies of 2a,b confirm the presence of a three-center, two-electron, Rh-H-Si bond. The observed fluxionality of 2a-c in solution is due to exchange of the silicon and rhodium hydrides. Complexes 2a-c lose hydrogen in the presence of 1 equiv of carbon monoxide to give complexes 3a-c, [(dippe)Rh](2)(mu-SiRR')(mu-CO). A catalytic cycle is proposed for the hydrosilylation of olefins by diphenylsilane to give Ph(2)SiR(2) (R = Et) or Ph(2)SiHR (R = Bu), which occurs in the presence of 1, One of the active species is thought to be [(dippe)Rh](2)(mu-H)(mu-eta(2)-HSiPh(2)) (2a).

  DOI：

  10.1021/om950450d