[Cr(μ-NPh)(HC(C(Me)NC6H3-i-Pr2)2)]2 | 945907-82-4

• 英文名称: [Cr(μ-NPh)(HC(C(Me)NC6H3-i-Pr2)2)]2
• 英文别名: [(i-Pr2Ph)2nacnacCr]2(μ-NPh)2
• CAS: 945907-82-4
• 化学式: C₇₀H₉₂Cr₂N₆
• 分子量: 1121.53
• InChiKey: PXKLYDHTRKBNOP-IHVPEPGGSA-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：

  [(2,4-pentane-N,N′-bis(2,6-diisopropylphenyl)ketiminate)Cr(μ-I)]2 在 magnesium 作用下， 以 四氢呋喃 为溶剂， 生成 [Cr(μ-NPh)(HC(C(Me)NC6H3-i-Pr2)2)]2
  参考文献：
  名称：

  Binding and Activation of Small Molecules by Three-Coordinate Cr(I)

  摘要：

  [(i-Pr2Ph)(2)nacnacCr](2)(mu-eta(2):eta(2)-N-2) (2) has been prepared and structurally characterized; it contains a bridging side-on bonded dinitrogen ligand with a N-N distance of 1.249(5) A. Reactions of this reactive Cr(I) synthon with various small molecules resulted in a series of unusual molecules and transformations; thus CO yielded the binuclear isocarbonyl [(i-Pr2Ph)(2)nacnacCr](2)(CO)(mu-eta(1):eta(1)-CO)(2), ethylene gave [(i-Pr2Ph)(2)nacnacCr](2)(mu-eta(2):eta(2)-C2H4), O-2 oxidatively added to produce (i-Pr2Ph)(2)nacnacCr(O)(2), and azobenzene afforded the product of NN bond cleavage [(i-Pr2Ph)(2)nacnacCr](2)(mu-NPh)(2). 2 can be prepared in good yield and affords a facile entry to low-coordinate Cr(I) coordination chemistry.

  DOI：

  10.1021/ja0725549

文献信息

• Inverted-Sandwich Dichromium(I) Complexes Supported by Two β-Diketiminates:  A Multielectron Reductant and Syntheses of Chromium Dioxo and Imido
  作者：Yi-Chou Tsai、Po-Yang Wang、Shin-An Chen、Jin-Ming Chen

  DOI：10.1021/ja072003i

  日期：2007.7.1

  Treatment of [Cr(mu-Cl)(Nacnac)](2) (Nacnac = HC(C(Me)NC6H3-i-Pr-2)(2)) with 2.5 equiv of KC8 in toluene allows the isolation of an inverted-sandwich toluene-bridged complex, (mu-eta(6):eta(6)-C7H8)[Cr(Nacnac)](2) (1), in 88.2% yield as a dark-purple solid. The valency of each Cr is determined to be I by X-ray absorption spectroscopy. The twelve Cr-C distances are moderately long and 1 readily undergoes an arene exchange reaction with benzene. As a result, 1 behaves as a two-Cr(Nacnac) synthetic equivalents upon reaction with appropriate substrates. For example, treatment of 1 with 2 equiv of O-2, 4 equiv of MesN(3) (Mes = 2,4,6-C6H2Me3), and Ph2N2 engenders the formation of a monomeric Cr(O)(2)(Nacnac) (2), Cr(NMes)(2)(Nacnac) (3), and (mu-NPh)(Nacnac)](2) (4), respectively. Complex 1 is therefore an 8-electron reductant.