2,3,5,6-Bis-(hexamethylen)-pyrazin | 4427-67-2

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 二嗪类
• 英文名称: 2,3,5,6-Bis-(hexamethylen)-pyrazin
• 英文别名: 2,11-Diazatricyclo[10.6.0.03,10]octadeca-1,3(10),11-triene
• CAS: 4427-67-2
• 化学式: C₁₆H₂₄N₂
• 分子量: 244.38
• InChiKey: DPSUGVFZBNXERC-UHFFFAOYSA-N

物化性质

• 熔点：
  115-116 °C(Solv: methanol (67-56-1); water (7732-18-5))
• 沸点：
  134-138 °C(Press: 0.01 Torr)
• 密度：
  1.016±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  4.1
• 重原子数：
  18
• 可旋转键数：
  0
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.75
• 拓扑面积：
  25.8
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为产物：
  描述：

  2-bromocyclooctan-1-one 在 氯化铵 、 sodium hydroxide 作用下， 以 水 为溶剂， 反应 0.17h， 以48%的产率得到2,3,5,6-Bis-(hexamethylen)-pyrazin
  参考文献：
  名称：

  Utsukihara, Takamitsu; Koshimura, Masahiro; Kitsuta, Kazunori, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2016, vol. 55B, # 12, p. 1495 - 1502

  摘要：

  DOI：

文献信息

• Direct Amination of Bio-Alcohols Using Ammonia
  作者：Dennis Pingen、Olivier Diebolt、Dieter Vogt

  DOI：10.1002/cctc.201300407

  日期：2013.10

  A slightly adapted catalyst system has been successfully applied in the direct amination of primary and secondary alcohols. Moreover, the applicability to diols has been shown, giving high selectivity towards the primary diamines. It was found that the Ru/P ratio as well as the amount of ammonia used are highly important in this system, especially for higher substrate loadings. The catalyst was employed

  略有适应的催化剂体系已成功应用于伯醇和仲醇的直接胺化。而且，已经显示出对二醇的适用性，从而对伯二胺具有高选择性。发现Ru / P比以及所用氨的量在该系统中非常重要，特别是对于较高的底物负载。将该催化剂以较大的批量规模使用，以将异甘露聚糖转化为相应的二胺。另外，表明该催化剂在至少六个连续运行中是稳定的。没有观察到明显的活性和选择性损失。
• FISCHER R. H.; WEITZ H. M., SYNTHESIS <SYNT-BF>, 1976, NO 1, 53-54
  作者：FISCHER R. H.、 WEITZ H. M.

  DOI：——

  日期：——
• Metal plating compositions
  申请人：Reddington Erik

  公开号：US20080269395A1

  公开（公告）日：2008-10-30

  Disclosed are metal plating compositions for plating a metal on a substrate. The metal plating compositions include compounds which influence the leveling and throwing performance of the metal plating compositions. Also disclosed are methods of depositing metals on a substrate.
• METHODS AND SYSTEMS FOR THE RECOVERY OF WATER FROM A POLYAMIDE SYNTHESIS PROCESS
  申请人：MICKA Thomas A.

  公开号：US20160060395A1

  公开（公告）日：2016-03-03

  The present disclosure relates to systems and methods for manufacturing a polyamide. The method can include obtaining, from a reservoir, an aqueous solution comprising a dicarboxylic acid, a diamine, and water having a substantially liquid phase; concentrating the aqueous solution including transforming a portion of the water having a substantially liquid phase to water having a substantially gaseous phase; condensing the water having a substantially gaseous phase into condensed water having a substantially liquid phase; removing at least one impurity from at least one of the condensed water having a substantially liquid phase and the water having a substantially gaseous phase to produce cleaned water having a substantially liquid phase; and reusing the cleaned water having a substantially liquid phase. The system can include, among other things, a reservoir; an evaporator assembly, in fluid communication with the reservoir; a condensation assembly, in fluid communication with the evaporator assembly; a collection assembly; and a conduit network.
• [EN] METHODS AND SYSTEMS FOR THE RECOVERY OF WATER FROM A POLYAMIDE SYNTHESIS PROCESS<br/>[FR] PROCÉDÉS ET SYSTÈMES DE RÉCUPÉRATION D'EAU À PARTIR D'UN PROCÉDÉ DE SYNTHÈSE DE POLYAMIDE
  申请人：INVISTA TECH SARL

  公开号：WO2014179025A1

  公开（公告）日：2014-11-06

  The present disclosure relates to systems and methods for manufacturing a polyamide. The method can include obtaining, from a reservoir, an aqueous solution comprising a dicarboxylic acid, a diamine, and water having a substantially liquid phase; concentrating the aqueous solution including transforming a portion of the water having a substantially liquid phase to water having a substantially gaseous phase; condensing the water having a substantially gaseous phase into condensed water having a substantially liquid phase; removing at least one impurity from at least one of the condensed water having a substantially liquid phase and the water having a substantially gaseous phase to produce cleaned water having a substantially liquid phase; and reusing the cleaned water having a substantially liquid phase. The system can include, among other things, a reservoir; an evaporator assembly, in fluid communication with the reservoir; a condensation assembly, in fluid communication with the evaporator assembly; a collection assembly; and a conduit network.