[((t)Bu2PCH2SiMe2)2N]Co(H)2 | 879549-48-1

• 分子结构分类: 有机化合物 - 有机磷化合物 - 有机膦及其衍生物
• 英文名称: [((t)Bu2PCH2SiMe2)2N]Co(H)2
• CAS: 879549-48-1
• 化学式: C₂₂H₅₄CoNP₂Si₂
• 分子量: 509.789
• InChiKey: KSNNVFSAEKDLNT-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  None
• 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

• 作为反应物：
  描述：

  [((t)Bu2PCH2SiMe2)2N]Co(H)2 以 not given 为溶剂， 生成 [((t)Bu2PCH2SiMe2)2N]Co(I)
  参考文献：
  名称：

  Redox Chemistry of the Triplet Complex (PNP)Co^I

  摘要：

  Reaction of PNPCo, where PNP is ((Bu2PCH2SiMe2)-Bu-t)(2)N-, with the persistent radical galvinoxyl, G, gives PNPCo(parallel to)G, a nonplanar S = 3/2 species. Reaction with PhCH2Cl or with 0.5 mol I-2 gives PNPCoX (X = Cl or I, respectively), but additional I-2, Seeking Co-parallel to|, gives instead oxidation at phosphorus: ((Bu2P)-Bu-t(I)(CH2SiMe2NSiMe2CH2PBu2)-Bu-t)CoI2. Hydrogen-atom transfer reagents fail to give PNPCoH, but H-2 gives instead PNPCo(H)2, a result rationalized thermodynamically based on DFT calculations. Multiple equiv of PhSiH3 give a product of Co(V), where N/SiPh and P/Si bonds have formed. N2CH(SiMe3) gives a 1:1 adduct of PNPCo, whose metric parameters suggest partial oxidation above Col; N2CHPh gives a 1:1 adduct but with very different spectroscopic features. PhN3 reacts fast, via several intermediates detected below 0 degrees C, to finally release N-2 and form a Col product where one phosphorus has been oxidized, PN(P = NPh)Co. Whereas PNPCo(N-3) resists loss of N-2 on heating, one electron oxidation gives a rapid loss of N-2, and the remaining nitride nitrogen is quickly incorporated into the chelate ligand, giving [(Bu2PCH2SiMe2NSiMe2NP)-Bu-t(Bu-t(2))=CH2Co]. O-2 or Phl = O generally gives products where one or both phosphorus centers are converted to its oxide, bonded to cobalt.

  DOI：

  10.1021/ja074378+
• 作为产物：
  描述：

  [((t)Bu2PCH2SiMe2)2N]Co(I) 、 氢气 以 氘代苯 为溶剂， 生成 [((t)Bu2PCH2SiMe2)2N]Co(H)2
  参考文献：
  名称：

  Redox Chemistry of the Triplet Complex (PNP)Co^I

  摘要：

  Reaction of PNPCo, where PNP is ((Bu2PCH2SiMe2)-Bu-t)(2)N-, with the persistent radical galvinoxyl, G, gives PNPCo(parallel to)G, a nonplanar S = 3/2 species. Reaction with PhCH2Cl or with 0.5 mol I-2 gives PNPCoX (X = Cl or I, respectively), but additional I-2, Seeking Co-parallel to|, gives instead oxidation at phosphorus: ((Bu2P)-Bu-t(I)(CH2SiMe2NSiMe2CH2PBu2)-Bu-t)CoI2. Hydrogen-atom transfer reagents fail to give PNPCoH, but H-2 gives instead PNPCo(H)2, a result rationalized thermodynamically based on DFT calculations. Multiple equiv of PhSiH3 give a product of Co(V), where N/SiPh and P/Si bonds have formed. N2CH(SiMe3) gives a 1:1 adduct of PNPCo, whose metric parameters suggest partial oxidation above Col; N2CHPh gives a 1:1 adduct but with very different spectroscopic features. PhN3 reacts fast, via several intermediates detected below 0 degrees C, to finally release N-2 and form a Col product where one phosphorus has been oxidized, PN(P = NPh)Co. Whereas PNPCo(N-3) resists loss of N-2 on heating, one electron oxidation gives a rapid loss of N-2, and the remaining nitride nitrogen is quickly incorporated into the chelate ligand, giving [(Bu2PCH2SiMe2NSiMe2NP)-Bu-t(Bu-t(2))=CH2Co]. O-2 or Phl = O generally gives products where one or both phosphorus centers are converted to its oxide, bonded to cobalt.

  DOI：

  10.1021/ja074378+

文献信息

• Three-Coordinate Co(I) Provides Access to Unsaturated Dihydrido-Co(III) and Seven-Coordinate Co(V)
  作者：Michael Ingleson、Hongjun Fan、Maren Pink、John Tomaszewski、Kenneth G. Caulton

  DOI：10.1021/ja0572452

  日期：2006.2.1

  The three-coordinate, T-shaped Co(I) complex, PNPCo (PNP = [(tBu2PCH2SiMe2)2N-], is readily synthesized by magnesium reduction of divalent PNPCoCl. Triplet (S = 1) PNPCo is coordinatively and electronically unsaturated and undergoes a thermally reversible oxidative addition reaction with H2, producing trivalent PNPCo(H)2. In contrast, the reaction with excess primary silane PhSiH3 quantitatively generates the base-stabilized silylene Co(V) compound kappa2-tBu2PCH2Me2SiNSiMe2CH2tBu2P(H)Si=}Co(H)3(SiH2Ph)2.