6-(2-pyridylazo)-3-acetamidophenol | 330809-59-1

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: 6-(2-pyridylazo)-3-acetamidophenol
• 英文别名: 6-(2-Pyridylazo)-3-acetamidophenol；N-[3-hydroxy-4-(pyridin-2-yldiazenyl)phenyl]acetamide
• CAS: 330809-59-1
• 化学式: C₁₃H₁₂N₄O₂
• 分子量: 256.264
• InChiKey: HUKLODFUQCBZSC-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.9
• 重原子数：
  19
• 可旋转键数：
  3
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.08
• 拓扑面积：
  86.9
• 氢给体数：
  2
• 氢受体数：
  5

反应信息

• 作为反应物：
  描述：

  6-(2-pyridylazo)-3-acetamidophenol 、 三氯化铁 以 乙醇 、 水 为溶剂， 以70%的产率得到[(6-(2-pyridylazo)-3-acetamidophenolato)Fe(H2O)3]Cl2
  参考文献：
  名称：

  PREPARATION, CHEMICAL CHARACTERIZATION, AND ELECTRONIC SPECTRA OF 6-(2-PYRIDYLAZO)-3-ACETAMIDOPHENOL AND ITS METAL COMPLEXES

  摘要：

  The stereochemistry of new iron(III), cobalt(II), nickel(II), copper(II), zinc(II) and cadmium(II) complexes of 6-(2-pyridylazo)-3-acetamidophenol (H2L) is studied on the basis of their analytical, spectroscopic, magnetic, thermal and conductance data. The dissociation constant of the ligand as well as the stability constants of its metal complexes have been determined spectrophotometrically. On the basis of the infrared spectra the coordination behaviour of the ligand to the metal ions is investigated. Magnetic susceptibility and solid reflectance spectral measurements are used to infer the structure. The prepared complexes are found to have the general formulae [M(HL)(H2O)(x)](A) . yH(2)O (M = Cu(II), Zn(II), Cd(II) and Fe(III); HL = 6-(2-pyridylazo)-3-acetamidophenolate; A = acetate in case of Cu(II) and Zn(II) or chloride in case of Cd(II) and Fe(III), x = 1-3 and y = 0-5) or [M(H2L)(H2O)(x)]Cl-2 . yH(2)O (M = Ni(II) and Co(II); H2L = 6-(2-pyridylazo)-3-acetamidophenol, x = 3 and y = 5-6).

  DOI：

  10.1081/sim-100002053

文献信息

• ——
  作者：G. G. Mohamed、F. A. Nour El-Dien、N. E. A. El-Gamel

  DOI：10.1023/a:1013798100065

  日期：——

  The present work aims chiefly to study the thermal behaviour of complex compounds with general formula: [M(HL).xH(2)O](A).yH(2)O (where HL=C13H12N4O2=6-(2-pyridylazo)-3-acetamidophenol (PAAP), M=Cu(II), Zn(II), Cd(II) and Fe(III) x=1, 3; y=2, 5) while A=CH3COO- (Ac), Cl-2. The second formula is [M(H2L).xH(2)O]Cl-2.yH(2)O, (where H2L=C13H12N4O2 (PAAP), M=Ni(II), Co(II) x=3; y=4, 6). The compounds were identified by elemental analysis, FT-IR spectra and TG/DTG, DTA methods. It was found that during the thermal decomposition of complex compounds water molecules of crystallization are released in the first step. In the next step the pyrolysis of organic ligand takes place. Metal oxide remained as a solid product of the thermal decomposition. Mass spectroscopy has been used for the determination of the thermal decomposition on the intermediate products. It was found that the thermal stability of the studied compounds increases as the ionic radii decreases. The activation energy E, the entropy change DeltaS(*), the enthalpy DeltaH(*) change and Gibbs free energy change DeltaG(*) were calculated from TG curve.
• PREPARATION, CHEMICAL CHARACTERIZATION, AND ELECTRONIC SPECTRA OF 6-(2-PYRIDYLAZO)-3-ACETAMIDOPHENOL AND ITS METAL COMPLEXES
  作者：G. G. Mohamed、Nadia E. A. El-Gamel、F. A. Nour El-Dien

  DOI：10.1081/sim-100002053

  日期：2001.2.28

  The stereochemistry of new iron(III), cobalt(II), nickel(II), copper(II), zinc(II) and cadmium(II) complexes of 6-(2-pyridylazo)-3-acetamidophenol (H2L) is studied on the basis of their analytical, spectroscopic, magnetic, thermal and conductance data. The dissociation constant of the ligand as well as the stability constants of its metal complexes have been determined spectrophotometrically. On the basis of the infrared spectra the coordination behaviour of the ligand to the metal ions is investigated. Magnetic susceptibility and solid reflectance spectral measurements are used to infer the structure. The prepared complexes are found to have the general formulae [M(HL)(H2O)(x)](A) . yH(2)O (M = Cu(II), Zn(II), Cd(II) and Fe(III); HL = 6-(2-pyridylazo)-3-acetamidophenolate; A = acetate in case of Cu(II) and Zn(II) or chloride in case of Cd(II) and Fe(III), x = 1-3 and y = 0-5) or [M(H2L)(H2O)(x)]Cl-2 . yH(2)O (M = Ni(II) and Co(II); H2L = 6-(2-pyridylazo)-3-acetamidophenol, x = 3 and y = 5-6).