1-(7-carboxyheptyl)-3-methyl-1H-imidazolium bromide

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 脂肪酰基
• 英文名称: 1-(7-carboxyheptyl)-3-methyl-1H-imidazolium bromide
• 英文别名: 8-(3-Methylimidazol-3-ium-1-yl)octanoic acid;bromide；8-(3-methylimidazol-3-ium-1-yl)octanoic acid;bromide
• 化学式: Br*C₁₂H₂₁N₂O₂
• 分子量: 305.215
• InChiKey: PNLCFCGDTWJNAH-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -1.26
• 重原子数：
  17
• 可旋转键数：
  8
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.67
• 拓扑面积：
  46.1
• 氢给体数：
  1
• 氢受体数：
  3

反应信息

• 作为产物：
  描述：

  8-溴辛酸乙酯 在 盐酸 作用下， 以 乙醇 、 水 、 乙腈 为溶剂， 反应 10.0h， 生成 1-(7-carboxyheptyl)-3-methyl-1H-imidazolium bromide
  参考文献：
  名称：

  耐温抗盐压裂液渗吸剂及其制备方法和应用

  摘要：

  本发明提出一种耐温抗盐压裂液渗吸剂及其制备方法和应用，属于石油开采、输送和化工技术领域，该耐温抗盐压裂液渗吸剂以Br(CH2)mCOOC2H5、N‑甲基咪唑、R1(Me)SiHO[(Me)2SiO]nR2为反应原料，在优选工艺的配合下，可使反应平稳进行，获得目标产物。本发明提供的耐温抗盐压裂液渗吸剂在矿化度19334mg/L（其中钙离子和镁离子的总量为514 mg/L）、高温150℃的环境中能够表现出良好的渗吸性能。

  公开号：

  CN111732603B

文献信息

• Effects of Alkyl Chain Length and Solvents on Thermodynamic Dissociation Constants of the Ionic Liquids with One Carboxyl Group in the Alkyl Chain of Imidazolium Cations
  作者：Yuehua Chen、Huiyong Wang、Jianji Wang

  DOI：10.1021/jp501731j

  日期：2014.5.1

  Thermodynamic dissociation constants of the Brønsted acidic ionic liquids (ILs) are important for their catalytic and separation applications. In this work, a series of imidazolium bromides with one carboxylic acid substitute group in their alkyl chain ([(CH2)nCOOH}mim]Br, n = 1,3,5,7) have been synthesized, and their dissociation constants (pKa) at different ionic strengths have been determined in

  布朗斯台德酸性离子液体（IL）的热力学解离常数对于其催化和分离应用非常重要。在这项工作中，合成了一系列在烷基链上具有一个羧酸取代基的咪唑鎓溴化物（[（（CH 2）n COOH} mim] Br，n = 1,3,5,7），并且它们的离解已通过在298.2 K下的电位滴定法在乙醇和乙二醇，异丙醇和二甲基亚砜的0.1摩尔分数（x）下在水性和水性有机溶剂中测定了不同离子强度下的常数（p K a）。标准热力学解离常数（p K a T从扩展的Debye-Hückel方程计算出这些溶剂中的ILs。发现p K a值随着介质的离子强度的增加和水中有机溶剂的添加而增加。p K a T值也随着IL阳离子烷基链长度的增加而增加。另外，溶剂性质对p K a T值的影响由解离组分的溶剂化及其从水到有机水溶液的转移的吉布斯能来解释。
• IONIC LIQUID MEDIATED SOL-GEL SORBENTS
  申请人：Abdul Malik

  公开号：US20120128551A1

  公开（公告）日：2012-05-24

  Ionic liquid (IL)-mediated sol-gel hybrid organic-inorganic materials present enormous potential for effective use in analytical microextraction. One obstacle to materializing this prospect arises from high viscosity of ILs significantly slowing down sol-gel reactions. A method was developed which provides phosphonium-based, pyridinium-based, and imidazolium-based IL-mediated advanced sol-gel organic-inorganic hybrid materials for capillary microextraction. Scanning electron microscopy results demonstrate that ILs can serve as porogenic agents in sol-gel reactions. IL-mediated sol-gel coatings prepared with silanol-terminated polymers provided up to 28 times higher extractions compared to analogous sol-gel coatings prepared without any IL in the sol solution. This study shows that IL-generated porous morphology alone is not enough to provide effective extraction media: careful choice of the organic polymer and the precursor with close sol-gel reactivity must be made to ensure effective chemical bonding of the organic polymer to the created sol-gel material to be able to provide the desired sorbent characteristics.
• METHOD OF MAKING IONIC LIQUID MEDIATED SOL-GEL SORBENTS
  申请人：Malik Abdul

  公开号：US20140057048A1

  公开（公告）日：2014-02-27

  Ionic liquid (IL)-mediated sol-gel hybrid organic-inorganic materials present enormous potential for effective use in analytical microextraction. One obstacle to materializing this prospect arises from high viscosity of ILs significantly slowing down sol-gel reactions. A method was developed which provides phosphonium-based, pyridinium-based, and imidazolium-based IL-mediated advanced sol-gel organic-inorganic hybrid materials for capillary microextraction. Scanning electron microscopy results demonstrate that ILs can serve as porogenic agents in sol-gel reactions. IL-mediated sol-gel coatings prepared with silanol-terminated polymers provided up to 28 times higher extractions compared to analogous sol-gel coatings prepared without any IL in the sol solution. This study shows that IL-generated porous morphology alone is not enough to provide effective extraction media: careful choice of the organic polymer and the precursor with close sol-gel reactivity must be made to ensure effective chemical bonding of the organic polymer to the created sol-gel material to be able to provide the desired sorbent characteristics.
• US8623279B2
  申请人：——

  公开号：US8623279B2

  公开（公告）日：2014-01-07
• US9555394B2
  申请人：——

  公开号：US9555394B2

  公开（公告）日：2017-01-31