Pd(ethylenediamine)(2+) | 22573-08-6

• 分子结构分类: 有机化合物 - 有机盐 - 有机金属盐
• 英文名称: Pd(ethylenediamine)(2+)
• 英文别名: ethane-1,2-diamine;palladium(2+)
• CAS: 22573-08-6
• 化学式: C₄H₁₆N₄Pd
• 分子量: 226.618
• InChiKey: NSETWTHYUHQUQN-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：

  在 乙二胺 作用下， 以 正庚烷 、 水 为溶剂， 生成 Pd(ethylenediamine)(2+)
  参考文献：
  名称：

  水溶液和庚烷-AOT-水微乳液中某些方形平面钯（II）配合物的反应性

  摘要：

  在正方形平面钯（II）配合物{[PdX（en）] 2+处的取代反应，其中X = 2,2'-联吡啶或4,4'-二甲基-2,2'-联吡啶，en =乙二胺}与乙二胺或N一起使用时，已在25.0°C的水溶液和庚烷-AOT-水微乳液中以[H 2 O] / [AOT] = W的各种摩尔比研究了N-二甲基乙二胺，AOT浓度保持恒定在0.12 mol dm –3。

  DOI：

  10.1039/ft9949000311

文献信息

• Thermodynamic and structural characterisation of the complexes formed in the reaction of [Pd(en)(H2O)2]2+ and [Pd(pic)(H2O)2]2+ with N-alkyl nucleobases and N-acetyl amino acids
  作者：Zoltán Nagy、Imre Sóvágó

  DOI：10.1039/b101845k

  日期：——

  Potentiometric and 1H NMR studies have been performed on the interaction of [Pd(en)(H2O)2]2+ and [Pd(pic)(H2O)2]2+ (pic = 2-picolylamine) with N-alkyl nucleobases and N-acetyl amino acids. The ligands 1-methylthymine, 1-methyluracil and uridine formed only mono and bis(ligand) complexes in the whole pH range (2 to 10) via the co-ordination of N(3) donor atoms of pyrimidine rings. In the case of 1-methylcytosine (MeC), N-acetyl-L-histidine (AcHis) and N-acetylhistamine (AcHm) polynuclear complexes containing a deprotonated exocyclic amino group of MeC or a fully deprotonated imidazole of AcHis or AcHm were also formed. In the [Pd(pic)(H2O)2]2+–MeC and AcHis/AcHm systems various isomeric species including the cis–trans and linkage isomers were detected by NMR measurements. The thermodynamic equilibrium constants of the complexes of [Pd(pic)(H2O)2]2+ with nitrogen donors were generally higher than those of [Pd(en)(H2O)2]2+. The differences in the complex formation reactions of [Pd(en)(H2O)2]2+ and [Pd(pic)(H2O)2]2+ were especially high for N-acetyl-L-methionine. The high trans-effect of the thioether donor function of AcMet resulted in the liberation of free ethylenediamine in the [Pd(en)(H2O)2]2+–AcMet system, while bidentate (S,O) co-ordination of AcMet was proposed for [Pd(pic)(H2O)2]2+ in acidic solutions. The hydrolytic reactions of the complexes were also followed. The formation of dihydroxo complexes [Pd(en)(OH)2] and [Pd(pic)(OH)2] was characteristic in alkaline solutions, while the existence of a dimeric–trimeric and monomeric–dimeric equilibrium was suggested in the neutral pH range for the monohydroxo complexes of [Pd(en)(H2O)2]2+ and [Pd(pic)(H2O)2]2+, respectively.

  对 [Pd(en)(H2O)2]2+ 和 [Pd(pic)( )2]2+ (pic = 2-picolylamine) 与 N-烷基核碱基和N-乙酰氨基酸。配体1-甲基胸腺嘧啶、1-甲基尿嘧啶和尿苷通过嘧啶环的N(3)供体原子的配位在整个pH范围(2至10)中仅形成单(配体)配合物和双(配体)配合物。在 1-甲基胞嘧啶 (MeC)、N-乙酰基-L-组氨酸 (AcHis) 和 N-乙酰组胺 (AcHm) 的情况下，还形成含有去质子化的 MeC 环外氨基或完全去质子化的 AcHis 或 AcHm 咪唑的多核复合物。在 [Pd(pic)( )2]2+–MeC 和 AcHis/AcHm 系统中，通过 NMR 测量检测到各种异构体，包括顺反异构体和连接异构体。 [Pd(pic)( )2]2+与氮供体配合物的热力学平衡常数普遍高于[Pd(en)( )2]2+。对于 N-乙酰基-L-蛋氨酸，[Pd(en)( )2]2+ 和 [Pd(pic)( )2]2+ 络合物形成反应的差异特别大。 AcMet 硫醚供体功能的高反式效应导致 [Pd(en)( )2]2+–AcMet 体系中游离乙二胺的释放，而 AcMet 的二齿 (S,O) 配位则被释放。建议用于酸性溶液中的 [Pd(pic)( )2]2+。还跟踪了配合物的水解反应。二羟基配合物 [Pd(en)(OH)2] 和 [Pd(pic)(OH)2] 的形成是碱性溶液中的特征，而在中性溶液中则表明存在二聚体-三聚体和单体-二聚体平衡。分别为 [Pd(en)( )2]2+ 和 [Pd(pic)( )2]2+ 的单羟基络合物的 pH 范围。
• Alibrandi, Giuseppe; Cusumano, Matteo; Giannetto, Antonino, Journal of the Chemical Society, Dalton Transactions, 1989, p. 375 - 378
  作者：Alibrandi, Giuseppe、Cusumano, Matteo、Giannetto, Antonino、Minniti, Domenico

  DOI：——

  日期：——
• Appleton, Trevor G.; Bailey, Alicia J.; Bedgood Jr., Danny R., Inorganic Chemistry, 1994, vol. 33, # 2, p. 217 - 226
  作者：Appleton, Trevor G.、Bailey, Alicia J.、Bedgood Jr., Danny R.、Hall, John R.

  DOI：——

  日期：——
• Rate Effects of AOT-Stabilized Microemulsions on Reactions of Ligand Substitution in Cationic Palladium(II) Complexes
  作者：F. Paolo Cavasino、Carmelo Sbriziolo、M. Liria Turco Liveri

  DOI：10.1021/jp9812278

  日期：1998.6.1

  Rate data for the substitution reactions of the coordinated ligand X (=2,2'-bipyridine or 4,4'-dimethyl-2,2'-bipyridine) of the palladium(II) complex [Pd(en)X](2+), where en = ethylenediamine, by en or N,N-dimethylethylenediamine in heptane-AOT-water microemulsions have been obtained at 25.0 degrees C as a function of the AOT concentration at the constant R (=[H2O]/[AOT]) values of 3, 8, and 20 or 30. The overall second-order rate constants are higher in microemulsions than in bulk water and decrease significantly as both the AOT concentration (at constant R) and the molar ratio R (at a given [AOT]) increase. The quantitative analysis of the kinetic data, made by applying the pseudophase model, leads to the suggestion that a given palladium complex bound to the negatively charged AOT/water interface reacts simultaneously with the nucleophile partitioned between the aqueous and the interfacial phases. Evidence is obtained that the same rate effects of the incoming and leaving ligands are operative in both bulk water and the AOT interface and that the substitution reactions proceed by the same rates and mechanism in the two different media. The estimated "effective" AOT pseudophase volume (per mole of surfactant) in which reaction occurs has been found to increase as the interfacial AOT layer curvature becomes larger.