lithium ethylbenzylamide

• 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: lithium ethylbenzylamide
• 英文别名: Lithium;benzyl(ethyl)azanide
• 化学式: C₉H₁₂N*Li
• 分子量: 141.142
• InChiKey: LHPXHKQJYVVXKC-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -0.42
• 重原子数：
  11
• 可旋转键数：
  3
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.33
• 拓扑面积：
  1
• 氢给体数：
  0
• 氢受体数：
  1

反应信息

• 作为反应物：
  描述：

  lithium ethylbenzylamide 在 air 作用下， 以 四氢呋喃 为溶剂， 生成 4-(N-ethylbenzylamino)benzanthrone
  参考文献：
  名称：

  选择性引入芳基和氨基：苯并蒽醌与有机金属试剂的反应

  摘要：

  苯并蒽酮与芳基溴化镁的反应以中等至良好的产率产生了6-芳基取代的苯并蒽酮。类似地，通过苯并蒽醌和烷基酰胺锂的反应选择性地制备6-烷基氨基苯并蒽酮。相反，对于芳基锂锂，芳基氨基被选择性地引入苯并蒽醌的4-位。

  DOI：

  10.1016/j.tet.2012.12.013
• 作为产物：
  描述：

  N-乙基苄胺 在 正丁基锂 作用下， 以 四氢呋喃 、 正己烷 为溶剂， 生成 lithium ethylbenzylamide
  参考文献：
  名称：

  选择性引入芳基和氨基：苯并蒽醌与有机金属试剂的反应

  摘要：

  苯并蒽酮与芳基溴化镁的反应以中等至良好的产率产生了6-芳基取代的苯并蒽酮。类似地，通过苯并蒽醌和烷基酰胺锂的反应选择性地制备6-烷基氨基苯并蒽酮。相反，对于芳基锂锂，芳基氨基被选择性地引入苯并蒽醌的4-位。

  DOI：

  10.1016/j.tet.2012.12.013

文献信息

• A novel approach to the preparation of pentacarbonyl(dialkylaminofluorocarbene)chromium compounds. Confirmation of structure by single crystal X-ray diffraction
  作者：John T. Welch、Erno M. Keskeny、Paul J. Toscano

  DOI：10.1016/0022-328x(93)83280-9

  日期：1993.11

  A new method for the preparation of monofluorocarbene complexes with sulfur tetrafluoride, such as pentacarbonyl(dialkylaminofluorocarbene)chromium compounds, facilitated establishment of the carbene character of these materials by single crystal X-ray diffraction studies.

  一种与四氟化硫（例如五羰基（二烷基氨基氟碳烯）铬化合物）一起制备单氟碳烯配合物的新方法，有助于通过单晶X射线衍射研究确定这些材料的碳烯特性。
• MODIFYING AGENT, METHOD FOR PRODUCING MODIFIED CONJUGATED DIENE POLYMER USING MODIFYING AGENT, AND MODIFIED CONJUGATED DIENE POLYMER
  申请人：Nakatani Kenji

  公开号：US20120220716A1

  公开（公告）日：2012-08-30

  Provided are a modifying agent obtained by subjecting a silicon-containing compound having a protected primary amino group and at least two hydrolyzable groups to complete condensation, a method of producing a modified conjugated diene-based polymer, a modified conjugated diene-based polymer obtained by the production method, a rubber composition using the polymer, and a pneumatic tire. The modified conjugated diene-based polymer has excellent low heat generating property and abrasion resistance, and the rubber composition is obtained by using the modified conjugated diene-based polymer and the pneumatic tire is obtained by using the rubber composition.

  提供的是一种通过将具有保护的一级氨基团和至少两个可水解基团的含硅化合物进行完全缩合而获得的改性剂，一种生产改性共轭二烯基聚合物的方法，通过生产方法获得的改性共轭二烯基聚合物，使用该聚合物的橡胶组合物以及一种气动轮胎。改性共轭二烯基聚合物具有优异的低热发生性和耐磨性，使用改性共轭二烯基聚合物制得的橡胶组合物，以及使用该橡胶组合物制得的气动轮胎。
• MIXTURES OF AMINOSILYL-FUNCTIONALIZED STYRENES, THEIR PREPARATION AND THEIR USE IN THE PRODUCTION OF ELASTOMERIC COPOLYMERS
  申请人：SYNTHOS S.A.

  公开号：US20210061826A1

  公开（公告）日：2021-03-04

  The present invention relates to mixtures of specific styrene derivatives and their use in the production of an elastomeric copolymer. The styrene derivatives are of the following formula.

  本发明涉及特定苯乙烯衍生物的混合物及其在生产弹性共聚物中的应用。苯乙烯衍生物的化学式如下。
• METHOD FOR PRODUCING MODIFIED CONJUGATED DIENE POLYMER/COPOLYMER, MODIFIED CONJUGATED DIENE POLYMER/COPOLYMER, AND RUBBER COMPOSITION AND TIER USING THE SAME
  申请人：Tanaka Ken

  公开号：US20110146877A1

  公开（公告）日：2011-06-23

  The invention provides a method for producing a modified conjugated diene (co)polymer, the method including comprising: a modification reaction step including causing an organic silane compound to react with a conjugated diene (co)polymer having an active site at the active site, the organic silane compound having a characteristic group for forming a silanol group through hydrolysis and, in the vicinity of the characteristic group, (i) a functional group which binds the organic silane compound to the conjugated diene (co)polymer via addition to or substitution at the active site and which promotes reaction between the silanol group and a reinforcing filler after the addition or substitution reaction, or (ii) a functional group which promotes reaction between the silanol group and a reinforcing filler, and a hydrolyzation step performed after the modification reaction step; a modified conjugated diene (co)polymer having, at a molecular end of the conjugated diene (co)polymer, a silanol group, and a functional group in the vicinity of the silanol group, the functional group accelerating reaction between the silanol group and the reinforcing filler; a rubber composition containing the (co)polymer and carbon black having specific characteristics; and a tire formed from the rubber composition.

  本发明提供了一种生产改性共轭二烯（共）聚合物的方法，该方法包括：修改反应步骤，包括使有机硅化合物与具有活性位点的共轭二烯（共）聚合物在活性位点处反应，所述有机硅化合物具有通过水解形成硅醇基团的特征基团，在特征基团附近，（i）通过加成或置换作用于活性位点，将有机硅化合物与共轭二烯（共）聚合物结合的功能基团，并促进加成或置换反应后硅醇基团和增强填料之间的反应，或（ii）促进硅醇基团和增强填料之间反应的功能基团；修改反应步骤后进行水解步骤；在共轭二烯（共）聚合物的分子末端具有硅醇基团和硅醇基团附近的功能基团的改性共轭二烯（共）聚合物；包含具有特定特性的碳黑的橡胶组合物；以及由该橡胶组合物形成的轮胎。
• Rubber composition and heavy duty pneumetic tire using the rubber composition
  申请人：Bridgestone Corporation

  公开号：EP1184412A1

  公开（公告）日：2002-03-06

  A rubber composition obtained by compounding (A) a rubber component comprising 15 to 55% by weight of (i) a modified styrene-butadiene copolymer rubber which is obtained by solution polymerization and has a tin atom introduced into its molecular chain, 45 to 85% by weight of (ii) at least one rubber selected from natural rubber and synthetic isoprene rubbers, and (B) a hydrazide compound. The rubber composition exhibits improved abrasion resistance, heat resistance and low heat generating property and is advantageously used for tread rubber of heavy duty pneumatic tires.

  一种橡胶组合物，由以下橡胶组分混合而成：(A)15-55%（按重量计）的(i)改性丁苯共聚橡胶（通过溶液聚合获得并在其分子链中引入一个锡原子），45-85%（按重量计）的(ii)至少一种选自天然橡胶和合成异戊二烯橡胶的橡胶，以及(B)酰肼化合物。 该橡胶组合物具有更好的耐磨性、耐热性和低发热特性，可用于重型充气轮胎的胎面橡胶。