双(2,5-二甲氧基苯基)二氮烯 | 6319-28-4

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 偶氮苯
• 中文名称: 双(2,5-二甲氧基苯基)二氮烯
• 英文名称: bis-(2,5-dimethoxy-phenyl)-diazene
• 英文别名: Bis-(2,5-dimethoxy-phenyl)-diazen；2.5.2'.5'-Tetramethoxy-azobenzol；2,5,2',5'-Tetramethoxy-azobenzol；Bis(2,5-dimethoxyphenyl)diazene
• CAS: 6319-28-4
• 化学式: C₁₆H₁₈N₂O₄
• 分子量: 302.33
• InChiKey: FXHDKZPLFMIQHU-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.6
• 重原子数：
  22
• 可旋转键数：
  6
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.25
• 拓扑面积：
  61.6
• 氢给体数：
  0
• 氢受体数：
  6

反应信息

• 作为反应物：
  描述：

  双(2,5-二甲氧基苯基)二氮烯 在 盐酸 、 乙醇 、 tin(ll) chloride 作用下， 生成 2,5,2',5'-tetramethoxy-benzidine
  参考文献：
  名称：

  Baessler, Chemische Berichte, 1884, vol. 17, p. 2124

  摘要：

  DOI：
• 作为产物：
  描述：

  1,4-二甲氧基-2-硝基苯 在 sodium amalgam 、 乙醇 、 氨 作用下， 生成 双(2,5-二甲氧基苯基)二氮烯
  参考文献：
  名称：

  Baessler, Chemische Berichte, 1884, vol. 17, p. 2124

  摘要：

  DOI：

文献信息

• Conversion of anilines into azobenzenes in acetic acid with perborate and Mo(VI): correlation of reactivities
  作者：C. Karunakaran、R. Venkataramanan

  DOI：10.1007/s11696-018-0599-z

  日期：2019.2

  azobenzenes in good yield from commercially available anilines using sodium perborate (SPB) and catalytic amount of Na2MoO4 under mild conditions. Glacial acetic acid is the solvent of choice and the aniline to azobenzene conversion is zero, first and first orders with respect to SPB, Na2MoO4 and aniline, respectively. Based on the kinetic orders, UV–visible spectra and cyclic voltammograms, the conversion

  偶氮苯被广泛用于纺织品和皮革的染色，通过调节环中的取代基，可以获得鲜艳的色彩。在这里，我们报道了在温和条件下，使用过硼酸钠（SPB）和催化量的Na 2 MoO 4由市售苯胺以高收率制备大量的偶氮苯。冰醋酸是首选的溶剂，苯胺到偶氮苯的转化率是零，相对于SPB，Na 2 MoO 4来说，是一阶和一阶和苯胺。根据动力学级数，紫外可见光谱和循环伏安图，提出了转化机理。在20–50°C时约50个苯胺的反应速率及其能量和活化熵分别符合等动力学或Exner关系和补偿效应。然而，由迄今为止采用的方法推导的反应速率不能符合哈米特相关性。通过改进的计算获得的分子苯胺的特定反应速率符合哈米特关系。因此，这项工作提出了一种方便，廉价，无害的制备大量偶氮苯的方法，
• Quantification and evaluation of kinetic bio-catalytic pathway of horseradish peroxidase in an electron mediated reaction system and its applications in plant extracts
  作者：Honnur Krishna、Padmarajaiah Nagaraja、Anantharaman Shivakumar、Nelligere A. Chamaraja、Narayan Aradhana

  DOI：10.1016/j.saa.2012.10.024

  日期：2013.2

  The intermolecular coupling of 2,5-dimethoxyaniline (DMA) as mediated electron transfer reaction in presence of H2O2 and peroxidase in acetate buffer of pH 4.2 resulting green colored product having maximum absorption at lambda(max) = 740 nm was investigated by spectrophotometer. Under optimum conditions, linearity range for the quantification of H2O2 was 2.0-288.0 mu M and for peroxidase were 0.59-9.46 and 0.443-9.46 nM by kinetic and fixed-time method, respectively. The catalytic efficiency and catalytic power were K-eff(D) = 2.354 x 10(5) M-1 min(-1) and K-pow(D) = 4.59 x 10(-4) min(-1), respectively. From the plot of d(1/D-0) vs d(1/V-0) and d(1/H-0) vs d(1/V-0), Michaelis-Menten constants for DMA and H2O2 were found that K-m(D) = 14581 mu M and K-m(H2O2) = 301 mu M. Applicability of the method was tested for peroxidase activity in some plant extracts and compared with guaiacol/peroxidase system. Regarding superiority of the method, it is suggested that DMA/peroxidase system can be a better hydrogen donor for HRP assay than guaiacol system as evident from kinetic data. (C) 2012 Elsevier B.V. All rights reserved.