| 173693-00-0

• CAS: 173693-00-0
• 化学式: C₁₈H₃₃B₉P₂Pt
• 分子量: 603.787
• InChiKey: IYNKXNWOVXELGV-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

• 作为产物：
  描述：

  [3,3-(PMe2Ph)2-closo-3,1,2-PtC2B9H11] 以 乙醇 为溶剂， 以90%的产率得到
  参考文献：
  名称：

  Conformational polymorphism and fluxional behaviour of M(PR₃)₂units in closo-twelve-atom metallaheteroboranes with MX₂B₉(X = C or As) and MZB₁₀cages (Z = S, Se or Te)

  摘要：

  The compounds [3,3-(PEt(3))(2)-closo-3,1,2-PtAs2B9H9] 1 and [2,2-(PMe(2)Ph)(2)-closo-2,1-PtSB10H10] 2 were synthesised and characterised by NMR spectroscopy and X-ray crystallography. Crystals of 1 exhibit conformational polymorphism with five conformers of the Pt(PEt(3))(2) unit above the As2B3 face; those of 2 contain single conformers. The free energy of the barrier to rotation of the Pt(PMe(2)Ph)(2) unit above the SB10 cage ligand in 2 has been determined in chloroform solution and is compared with data from other platinum and palladium metallaheteroboranes containing C2B9H11, As2B9H9, SeB10H10 and TeB10H10 ligands. A mechanism for the rotation of M(PR(3))(2) units above heteroborane ligand faces is suggested. It involves shifting the M(PR(3))(2) unit via eta(n)-bonded species (n < 5) with a concomitant twisting of the M(PR(3))(2) unit about an axis passing approximately through the metal atom and the antipodal B atom.

  DOI：

  10.1039/dt9960003323