N'-ethyl-N,N-dimethyl-benzamidine | 36529-78-9

• 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: N'-ethyl-N,N-dimethyl-benzamidine
• 英文别名: N'-Aethyl-N,N-dimethyl-benzamidin；N'-Ethyl-N,N-dimethylbenzamidin；N'-ethyl-N,N-dimethylbenzenecarboximidamide
• CAS: 36529-78-9
• 化学式: C₁₁H₁₆N₂
• 分子量: 176.261
• InChiKey: GCSLLLKWCFDGSX-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.9
• 重原子数：
  13
• 可旋转键数：
  3
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.36
• 拓扑面积：
  15.6
• 氢给体数：
  0
• 氢受体数：
  1

反应信息

• 作为反应物：
  描述：

  N'-ethyl-N,N-dimethyl-benzamidine 、 二苯基环丙烯酮 以 xylene 为溶剂， 反应 2.0h， 以85%的产率得到2-Dimethylamino-1-ethyl-2,4,5-triphenyl-1,2-dihydro-pyrrol-3-one
  参考文献：
  名称：

  二苯基环丙烯酮与羧亚胺酯、羧亚胺酯和羧亚胺基硫代酸酯的环加成反应

  摘要：

  二苯基环丙烯酮与 R1N=C(R2)X (2)（R1、R2= 烷基、芳基、X=MeO、EtO、MeS 或 Me2N）的反应以良好的收率得到 2-pyrrolin-4-one (3)。反应性较低的羧亚氨基硫酸酯 (2, R1=4-MeC6H4, R2=Ph, X=MeS) 与 3 一起产生异构的 3-pyrrolin-2-one。

  DOI：

  10.1246/bcsj.56.3849
• 作为产物：
  描述：

  N-ethylchloro(phenyl)methanimine 在 苯 作用下， 生成 N'-ethyl-N,N-dimethyl-benzamidine
  参考文献：
  名称：

  US2211280

  摘要：

  公开号：

文献信息

• Diene polymers and copolymers terminated by reaction with n-alkyl and n-aryl imines
  申请人：BRIDGESTONE/FIRESTONE, INC.

  公开号：EP0451604A2

  公开（公告）日：1991-10-16

  A process is provided for preparing a terminally functionalized polymer from a living polymer obtained by anionic polymerization of a diene monomer or mixture of a diene monomer and a vinyl aromatic hydrocarbon monomer which comprises reacting the living polymer with a compound having the formula: wherein R₁ and R₂ are selected from the group consisting of H, alkyl, cycloalkyl, aryl, dialkylaminoaryl, aralkyl, and aprotic O, N and S- containing alkyl, cycloalkyl, aryl and aralkyl groups; wherein R₃ is selected from the group consisting of alkyl, cycloalkyl, aryl, dialkylaminoaryl, aralkyl, and aprotic O, N and S- containing alkyl, cycloalkyl, aryl and aralkyl groups; with the proviso that at least one of the R₁, R₂ and R₃ groups must be a dialkylaminoaryl group and that not all of the R₁, R₂ and R₃ groups can be aryl groups. The resultant terminally functionalized polymer has reduced hysteresis properties and may be utilized to prepare elastomer compositions and tire treads having reduced rolling resistance.

  本发明提供了一种工艺，用于从二烯烃单体或二烯烃单体与乙烯基芳香烃单体混合物阴离子聚合得到的活聚合物制备端官能化聚合物，该工艺包括使活聚合物与具有以下式子的化合物反应： 其中 R₁和 R₂ 选自 H、烷基、环烷基、芳基、二烷基氨基芳基、芳烷基和含有 O、N 和 S 的烷基、环烷基、芳基和芳烷基组成的组；其中 R₃ 选自烷基、环烷基、芳基、二烷基氨基芳基、芳烷基和含有烷基、 环烷基、芳基和芳烷基的烷基 O、N 和 S-基团组成的组；但 R₁、R₂ 和 R₃ 基团中至少有一个必须是二烷基氨基芳基，且并非所有的 R₁、R₂ 和 R₃ 基团都可以是芳基。 由此得到的末端官能化聚合物具有较低的滞后特性，可用于制备具有较低滚动阻力的弹性体组合物和轮胎胎面。
• Diene polymeres and copolymers terminated with compounds having multiple-bonded nitrogen atoms and partially crosslinked with polyfunctional reagents
  申请人：BRIDGESTONE/FIRESTONE, INC.

  公开号：EP0639587A1

  公开（公告）日：1995-02-22

  Diene polymers or copolymers having improved raw polymer viscosity and reduced hysteresis in the cured and carbon black reinforced state are provided. These diene polymers or copolymers are prepared by a method which involves first terminating substantially all of the living diene polymer or copolymer chains obtained by anionic polymerization with a compound having multiple-bonded nitrogen atoms selected from the group consisting of aromatic nitriles and substituted imines having the formula and then coupling a portion of the resultant terminated polymer chains with a polyfunctional reagent selected from the groups consisting of silicon polyhalides, polyisocyanates, phosphoryl halides and polycarboxylic acid halides.

  本发明提供的二烯聚合物或共聚物在固化和炭黑增强状态下具有更高的原始聚合物粘度和更低的滞后性。这些二烯聚合物或共聚物的制备方法是：首先用一种具有多个键合氮原子的化合物将阴离子聚合得到的活的二烯聚合物或共聚物链基本上全部终止，该化合物选自芳香族腈和取代亚胺组成的组，其式为 然后将所得端接聚合物链的一部分与多官能试剂偶联，该多官能试剂选自由硅多卤化物、多异氰酸酯、磷酰卤化物和多羧酸卤化物组成的组。
• MODIFIED CONJUGATED DIENE COPOLYMER, RUBBER COMPOSITIONS AND TIRES
  申请人：Bridgestone Corporation

  公开号：EP1873168A1

  公开（公告）日：2008-01-02

  The present invention provides a modified conjugated diene polymer that is prepared by polymerization of a conjugated diene compound using a catalyst containing a lanthanoid rare earth element compound in an organic solvent and then modifying the resulting polymer having an active organic metal site with a modifier, wherein the modification efficiency is not less than 15% and the cis-1,4 bond content in the conjugated diene moiety measured by Fourier transform infrared spectroscopy satisfies the relationship (I): or the modification efficiency is not less than 75% and the cis-1,4 bond content in the conjugated diene moiety measured by Fourier transform infrared spectroscopy satisfies the relationship (II): The invention further provides a rubber composition containing the modified conjugated diene polymer and giving a tire exhibiting low heat build-up, satisfactory failure characteristics, and high abrasion resistance, and a tire composed of the rubber composition and exhibiting these characteristics.

  本发明提供了一种改性共轭二烯聚合物，其制备方法是在有机溶剂中使用含有镧系稀土元素化合物的催化剂对共轭二烯化合物进行聚合，然后用改性剂对所得到的具有活性有机金属位点的聚合物进行改性，其中改性效率不低于 15%，通过傅里叶变换红外光谱法测量的共轭二烯分子中的顺式-1,4 键含量满足关系式（I）： 或改性效率不低于 75%，且通过傅里叶变换红外光谱法测量的共轭二烯分子中的顺式-1,4 键含量满足关系式（II）： 本发明进一步提供了一种含有改性共轭二烯聚合物的橡胶组合物，该组合物可提供一种具有低热积聚、令人满意的失效特性和高耐磨性的轮胎，以及一种由该橡胶组合物组成并具有上述特性的轮胎。
• RUBBER COMPOSITION
  申请人：LG Chem, Ltd.

  公开号：EP3715386A1

  公开（公告）日：2020-09-30

  The present invention relates to a rubber composition having excellent tensile properties and viscoelasticity properties and including a conjugated diene-based polymer. The rubber composition may include a modified conjugated diene-based polymer which is selected considering target tensile properties and viscoelasticity properties, by predicting in advance the correlation between the modification ratio of the modified conjugated diene-based polymer and the dynamic viscoelasticity loss coefficient at 60°C of the rubber composition through Mathematical Formula 1 and Mathematical Formula 2. Therefore, excellent compounding properties may be shown.

  本发明涉及一种具有优异拉伸性能和粘弹性能的橡胶组合物，其中包括共轭二烯基聚合物。通过数学公式 1 和数学公式 2 事先预测改性共轭二烯基聚合物的改性率与橡胶组合物在 60°C 时的动态粘弹性损失系数之间的相关性，可根据目标拉伸性能和粘弹性性能选择改性共轭二烯基聚合物。因此，可显示出优异的混炼性能。
• MODIFIED CONJUGATED DIENE-BASED POLYMER AND PREPARATION METHOD THEREFOR
  申请人：LG Chem, Ltd.

  公开号：EP3715388A1

  公开（公告）日：2020-09-30

  The present invention provides a conjugated diene-based polymer catalyzed with a lanthanide rare earth element, and having high linearity and improved compounding properties, and a method for preparing the same. The conjugated diene-based polymer catalyzed with a lanthanide rare earth element has high linearity, and if applied to a rubber composition, may show excellent processability, tensile strength and viscoelasticity.

  本发明提供了一种用镧系稀土元素催化的共轭二烯基聚合物，具有高线性度和更好的复合性能，并提供了制备该聚合物的方法。用镧系稀土元素催化的共轭二烯基聚合物具有高线性度，如果应用于橡胶组合物，可显示出优异的加工性、拉伸强度和粘弹性。