1-ethyl-3-methylpyridinium bromide | 54778-76-6

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡啶及其衍生物
• 英文名称: 1-ethyl-3-methylpyridinium bromide
• 英文别名: 1-ethyl-3-methylpyridin-1-ium;bromide
• CAS: 54778-76-6
• 化学式: Br*C₈H₁₂N
• 分子量: 202.094
• InChiKey: PUBHYFMAUADWKI-UHFFFAOYSA-M

计算性质

• 辛醇/水分配系数(LogP)：
  -1.69
• 重原子数：
  10
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.38
• 拓扑面积：
  3.9
• 氢给体数：
  0
• 氢受体数：
  1

反应信息

• 作为反应物：
  描述：

  1-ethyl-3-methylpyridinium bromide 在 sodium tetrahydroborate 、 间氯过氧苯甲酸 作用下， 以 甲醇 、 二氯甲烷 、 水 为溶剂， 生成 1-乙基-3-甲基-5,6-二氢-2H-吡啶-2-甲腈
  参考文献：
  名称：

  一种新颖的Diels-Alder方法制备氢异喹啉

  摘要：

  描述了一种在Diels-Alder反应中使用二氢吡啶鎓离子作为亲二烯体的官能化氢异喹啉环的合成方法。

  DOI：

  10.1016/s0040-4039(98)01043-0
• 作为产物：
  描述：

  溴乙烷 、 3-甲基吡啶 以 丙酮 为溶剂， 以86%的产率得到1-ethyl-3-methylpyridinium bromide
  参考文献：
  名称：

  仿生方法用于甘露糖碱生物碱；模型研究

  摘要：

  已使用简单的模型系统研究了基于生物遗传学原理的甘露糖碱生物碱的方法，并且关键的环加成步骤已以中等收率完成。

  DOI：

  10.1016/0040-4039(94)80129-0

文献信息

• [EN] PROCESSES FOR PREPARING L-ALKYL-3-ALKYL-PYRIDINIUM BROMIDE AND USES THEREOF AS ADDITIVES IN ELECTROCHEMICAL CELLS<br/>[FR] PROCÉDÉS POUR LA PRÉPARATION DE BROMURE DE 1-ALKYL-3-ALKYLPYRIDINIUM ET SES UTILISATIONS COMME ADDITIF DANS DES CELLULES ÉLECTROCHIMIQUES
  申请人：BROMINE COMPOUNDS LTD

  公开号：WO2014122641A1

  公开（公告）日：2014-08-14

  The invention relates to the use of at least one l-alkyl-3- alkyl-pyridinium halide, in particular l-alkyl-3-methyl- pyridinium bromide, as an additive in bromine-generating electrochemical cells, such as zinc/bromine cells. Processes for preparing l-alkyl-3-methyl-pyridinium bromide and concentrated aqueous solutions comprising same for use as additives in the aforementioned cells, are also disclosed.

  本发明涉及在产生溴的电化学电池中使用至少一种l-烷基-3-烷基-吡啶盐，特别是l-烷基-3-甲基-溴化吡啶，作为添加剂。还公开了制备l-烷基-3-甲基-溴化吡啶和含有该物质的浓缩水溶液用作上述电池添加剂的方法。
• [EN] PROCESSES FOR PREPARING N-ETHYL-2-METHYLPYRIDINIUM BROMIDE AND N-ETHYL-3-METHYLPYRIDINIUM BROMIDE<br/>[FR] PROCÉDÉS DE PRÉPARATION DE BROMURE DE N-ÉTHYL-2-MÉTHYLPYRIDINIUM ET DE BROMURE DE N-ÉTHYL-3-MÉTHYLPYRIDINIUM
  申请人：BROMINE COMPOUNDS LTD

  公开号：WO2013042109A1

  公开（公告）日：2013-03-28

  The invention provides processes for preparing concentrated aqueous solutions of N-ethyl-2-methylpyridinium bromide and N- ethyl-3-methylpyridinium bromide, which solutions are useful as additives in the electrolyte of hydrogen/bromine electrochemical cells. Also provided are concentrated aqueous solutions of N-ethyl-2-methylpyridinium bromide, N-ethyl-3-methylpyridinium bromide and their mixtures.

  该发明提供了制备浓缩水溶液N-乙基-2-甲基吡啶溴化物和N-乙基-3-甲基吡啶溴化物的方法，这些溶液可作为氢/溴电化学电池电解质中的添加剂。同时提供了N-乙基-2-甲基吡啶溴化物、N-乙基-3-甲基吡啶溴化物及它们的混合物的浓缩水溶液。
• PROCESSES FOR PREPARING L-ALKYL-3-ALKYL-PYRIDINIUM BROMIDE AND USES THEREOF AS ADDITIVES IN ELECTROCHEMICAL CELLS
  申请人：BROMINE COMPOUNDS LTD.

  公开号：US20150372351A1

  公开（公告）日：2015-12-24

  The invention relates to the use of at least one 1-alkyl-3-alkyl-pyridinium halide, in particular 1-alkyl-3-methyl-pyridinium bromide, as an additive in bromine-generating electrochemical cells, such as zinc/bromine cells. Processes for preparing 1-alkyl-3-methyl-pyridinium bromide and concentrated aqueous solutions comprising same for use as additives in the aforementioned cells, are also disclosed.

  本发明涉及至少使用一种1-烷基-3-烷基-吡啶盐酸盐，特别是1-烷基-3-甲基-吡啶溴化物，作为溴化物生成的电化学电池，例如锌/溴电池中的添加剂。还公开了制备1-烷基-3-甲基-吡啶溴化物和包含其的浓缩水溶液，用作上述电池中的添加剂的方法。
• TWO-PART CURABLE COMPOSITION
  申请人：Toagosei Co., Ltd.

  公开号：EP3231818A1

  公开（公告）日：2017-10-18

  Provided is a two-part curable composition which has excellent curability, and exhibits flexibility and adhesion durability. The two-part curable composition comprises a first reagent containing at least a 2-cyanoacrylic acid ester and a second reagent containing at least a polymer having a hydrolyzable silyl group, in which an elastomer and a curing catalyst for the above polymer are each contained in at least one of the first and second reagents in predetermined amounts. A preferable curing catalyst is a compound having a metal element and an organic group bonded to the metal element via oxygen, or an acid having a pKa of 4 or lower at 25°C. Preferably, a curing accelerator for 2-cyanoacrylic acid ester is contained in at least one of the first and second reagents.

  本发明提供了一种双组分固化组合物，该组合物具有优异的固化性、柔韧性和粘合耐久性。双组分固化组合物包括至少含有 2-氰基丙烯酸酯的第一试剂和至少含有具有可水解硅基的聚合物的第二试剂，其中弹性体和上述聚合物的固化催化剂分别以预定量包含在第一和第二试剂中的至少一种试剂中。最好的固化催化剂是具有金属元素和通过氧与金属元素结合的有机基团的化合物，或在 25°C 时 pKa 为 4 或更低的酸。最好在第一和第二试剂中的至少一种中含有 2-氰基丙烯酸酯的固化促进剂。
• Thermal properties of 1-alkyl-3-methylpyridinium halide-based ionic liquids
  作者：Elena S. Sashina、Dmitrii A. Kashirskii、Grażyna Janowska、Marian Zaborski

  DOI：10.1016/j.tca.2013.06.022

  日期：2013.9

  This study was carried out for the comparison of thermal properties that determine various conditions and methods, including the differential scanning calorimetry (DSC), thermogravimetry (DTG) and the Boetius heated stage. Series of 1-alkyl-3-methylpyridinium chloride- and bromide-based ionic liquids having alkylic chain lengths ranging from C-2 to C-10 were synthesized, and their thermal characteristics were defined: glass transitions, melting and decomposition. Detailed thermal properties of ionic liquids, obtained in this work, can be useful in a variety of chemical engineering processes that are related with their application. (C) 2013 Elsevier B.V. All rights reserved.