Pt3[P(t-Bu)2H]3(μ-CO)3 | 183889-18-1

• 英文名称: Pt3[P(t-Bu)2H]3(μ-CO)3
• CAS: 183889-18-1
• 化学式: C₂₇H₅₇O₃P₃Pt₃
• 分子量: 1107.91
• InChiKey: WQQWHERUGNYKKW-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
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• 重原子数：
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• 可旋转键数：
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• 环数：
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• sp3杂化的碳原子比例：
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• 拓扑面积：
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• 氢给体数：
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• 氢受体数：
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反应信息

• 作为产物：
  描述：

  Pt3[μ-P(t-Bu)2]3(H)(CO)2 、 一氧化碳 、 氢气 以 甲苯 为溶剂， 生成 Pt3[P(t-Bu)2H]3(μ-CO)3
  参考文献：
  名称：

  CO-Induced Reductive Elimination of P(t-Bu)₂H from the Platinum(II) Dinuclear Derivative Pt₂[μ-P(t-Bu)₂]₂(H)₂[P(t-Bu)₂H]₂, Affording Mononuclear Platinum(0) or Triangulo Triplatinum(I,I,II) Derivatives

  摘要：

  Carbon monoxide (1 atm) quantitatively converts the Pt(II) dinuclear derivative Pt-2[mu-P(t-Bu)(2)](2)(H)(2)[P(t-Bu)(2)H](2) (1) into the new (Pt2PtII)-Pt-I triangulo cluster Pt-3[mu-P(t-Bu)(2)](3)(H)(CO)(2) (2). The 44e(-) species 2 was characterized by IR and multinuclear NMR spectroscopy and by a single-crystal X-ray diffraction study. Complex 2 is formed through the slow CO-induced reductive elimination of P(t-Bu)(2)H from 1, affording the intermediate mononuclear Pt(0) carbonyl derivative Pt[P(t-Bu)(2)H](2)(CO)(2) (4), which equilibrates with the carbonyl-bridged triangulo derivative Pt-3[P(t-Bu)(2)H](3)(mu-CO)(3) (5); these are the main products under high pressures of CO. Two alternative mechanisms were examined for the subsequent formation of complex 2, the first being the rapid condensation of complex 4 with unreacted 1 while the second assumes 5 as the direct precursor of 2. Although the first mechanism cannot be conclusively rejected, the second seems the most appropriate, since under high pressures of CO/H-2 complex 2 was shown to equilibrate with 5. In the presence of an excess of other phosphines, the carbonylation of 1 yields quantitatively the mononuclear monocarbonyl derivatives Pt(PR(3))(3)(CO) (R(3) = Ph(3), Et(3), t-Bu(2)H).

  DOI：

  10.1021/ic9602308