2-异丙烯基-1-甲基-1H-咪唑 | 127782-73-4

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 唑类
• 中文名称: 2-异丙烯基-1-甲基-1H-咪唑
• 英文名称: 2-(1-methylethenyl)-1-methylimidazole
• 英文别名: 1-methyl-2-(1-methylvinyl)-1H-imidazole；1-Methyl-2-prop-1-en-2-ylimidazole
• CAS: 127782-73-4
• 化学式: C₇H₁₀N₂
• mdl: MFCD18808375
• 分子量: 122.17
• InChiKey: GTFRXUGXAAINAF-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.4
• 重原子数：
  9
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.285
• 拓扑面积：
  17.8
• 氢给体数：
  0
• 氢受体数：
  1

反应信息

• 作为反应物：
  描述：

  二苯甲酮 、 2-异丙烯基-1-甲基-1H-咪唑 在 正丁基锂 、 三乙基铝 作用下， 生成 2-<(2-hydroxy-2-diphenylethyl)ethenyl>-1-methyl-imidazole
  参考文献：
  名称：

  Facile Syntheses of 2-Ethenyl-1H-imidazoles

  摘要：

  2-乙烯基-1H-咪唑 6 通过将 2-(1-羟基烷基)-1H-咪唑 5 与热醋酸酐反应而容易制备。文中描述了几种制备 6 的前体的便捷方法。

  DOI：

  10.1055/s-1990-26794
• 作为产物：
  描述：

  2-(1-hydroxy-1-methylethyl)-1-methylimidazole 在 乙酸酐 作用下， 以 溶剂黄146 为溶剂， 反应 4.0h， 以86%的产率得到2-异丙烯基-1-甲基-1H-咪唑
  参考文献：
  名称：

  Facile Syntheses of 2-Ethenyl-1H-imidazoles

  摘要：

  2-乙烯基-1H-咪唑 6 通过将 2-(1-羟基烷基)-1H-咪唑 5 与热醋酸酐反应而容易制备。文中描述了几种制备 6 的前体的便捷方法。

  DOI：

  10.1055/s-1990-26794

文献信息

• CONJUGATED DIENE POLYMER PRODUCTION METHOD, AND CONJUGATED DIENE POLYMER COMPOSITION PRODUCTION METHOD
  申请人：Sumitomo Chemical Company, Limited

  公开号：US20150005440A1

  公开（公告）日：2015-01-01

  A method for producing a conjugated diene-based polymer is provided, in which compounds of formulas (2) and (3) and a conjugated diene compound are polymerized using a compound of formula (1), and then a compound containing a nitrogen atom and/or a silicon atom is reacted with an active end of the polymer formed via the polymerization, R 11 represents a hydrocarbylene group, R 12 and R 13 each represent an optionally substituted hydrocarbyl group or a trihydrocarbylsilyl group, or R 12 is bonded to R 3 and the group in which R 12 is bonded to R 13 represents a hydrocarbylene group optionally having a nitrogen and/or oxygen atom, —Si(R 14 ) 2 —(CH 2 ) x —Si(R 14 ) 2 —, or —Si(R 15 ) 2 —(CH 2 ) y − , and M represents an alkali metal atom, E 2 -A 2 (2) E 3 -A 3 (3) E 2 and E 3 each represent a hydrocarbyl group having a polymerizable carbon-carbon double bond, A 2 represents a substituted amino group or a nitrogen-containing heterocyclic group, and A 3 represents a substituted silyl group.

  提供一种制备基于共轭二烯的聚合物的方法，其中使用式(1)的化合物聚合式(2)和(3)的化合物以及共轭二烯化合物，然后使用含有氮原子和/或硅原子的化合物与通过聚合形成的聚合物的活性末端反应。其中，R11代表烃基烷基，R12和R13分别代表可选取代的烃基或三烷基硅基，或者R12与R3结合，R12与R13结合的基团可选地具有氮和/或氧原子，-Si(R14)2-(CH2)x-Si(R14)2-，或-Si(R15)2-(CH2)y-，M代表碱金属原子，E2-A2(2)E3-A3(3)中，E2和E3分别代表具有可聚合碳-碳双键的烃基，A2代表取代的氨基或含氮杂环基团，A3代表取代的硅基。
• TREAD RUBBER COMPOSITION AND PNEUMATIC TIRE
  申请人：Sumitomo Rubber Industries, Ltd.

  公开号：EP2857446A1

  公开（公告）日：2015-04-08

  Provided are a tread rubber composition that can achieve a balanced improvement in fuel economy, wet-grip performance, and abrasion resistance, and a pneumatic tire including the composition. The tread rubber composition includes: a rubber component; silica; and a silane-coupling agent containing a mercapto group, the rubber component including per 100% by mass thereof 5% by mass or more of a conjugated diene polymer (A), the polymer (A) including a monomer unit derived from a conjugated diene, a monomer unit derived from a compound of formula (1), and a monomer unit derived from a compound of formula (2), at least one end of the copolymer (A) being modified by the following compound (G) or an alkoxysilane compound, the composition including 5-150 parts by mass of the silica per 100 parts by mass of the rubber component, Compound (G): at least one compound selected from the group consisting of compounds containing an optionally-substituted amino group and a carbonyl group and compounds containing an optionally-substituted amino group and a thiocarbonyl group,         V1-S1     (1)         V2-A2     (2) wherein V1 and V2 each represent a hydrocarbyl group containing a polymerizable carbon-carbon double bond; S1 represents a substituted silyl group, and A2 represents a substituted amino group or a nitrogen-containing heterocyclic group.

  本文提供了一种可均衡改善燃油经济性、湿抓地性能和耐磨性的胎面橡胶组合物，以及一种包含该组合物的充气轮胎。胎面橡胶组合物包括橡胶成分；白炭黑和含有巯基的硅烷偶联剂，橡胶成分包括每 100% 质量中 5%（质量）或更多的共轭二烯聚合物 (A)，聚合物 (A) 包括衍生自共轭二烯的单体单元、衍生自式 (1) 化合物的单体单元和源自式（2）化合物的单体单元，共聚物（A）的至少一端由下列化合物（G）或烷氧基硅烷化合物改性，该组合物包括每 100 份（质量）橡胶成分中含 5-150 份（质量）二氧化硅的化合物（G）：至少一种选自以下组别的化合物：含有任选取代的氨基和羰基的化合物，以及含有任选取代的氨基和硫代羰基的化合物、 V1-S1 (1) V2-A2 (2) 其中 V1 和 V2 分别代表含有可聚合碳碳双键的烃基，S1 代表取代的硅烷基，A2 代表取代的氨基或含氮杂环基。
• Modified conjugated diene polymer, and polymer composition containing said polymer
  申请人：SUMITOMO CHEMICAL COMPANY, LIMITED

  公开号：US10118973B2

  公开（公告）日：2018-11-06

  There is disclosed a modified conjugated diene polymer including a structural unit derived from a compound represented by formula (1), and a structural unit derived from a conjugated diene. When n is 0, at least two of R11, R12, R13, R16, R17 and R18 are substituted amino groups, and at least one is a hydroxy group or hydrocarbyloxy group.

  本发明公开了一种改性共轭二烯聚合物，包括一个由式（1）所代表的化合物衍生的结构单元和一个由共轭二烯衍生的结构单元。 当 n 为 0 时，R11、R12、R13、R16、R17 和 R18 中至少有两个是取代的氨基，至少有一个是羟基或羟基羰基。
• Catalytic Asymmetric Redox‐Neutral [3 + 2] Photocycloadditions of Cyclopropyl Ketones with Vinylazaarenes Enabled by Consecutive Photoinduced Electron Transfer
  作者：Wenhui Wei、Chunyang Li、Yifan Fan、Xiaowei Chen、Xiaowei Zhao、Baokun Qiao、Zhiyong Jiang

  DOI：10.1002/anie.202406845

  日期：——

  ConPET as a powerful and novel technique for photoredox catalysis has been first employed in asymmetric synthesis. In collaboration with chiral hydrogen-bonding catalysis, an unprecedented redox-neutral [3+2] photocycloaddition has been developed, facilitating the synthesis of a wide range of valuable azaarene-functionalized cyclopentyl ketones with high yields, ees and dr.

  ConPET作为一种强大且新颖的光氧化还原催化技术，首先被用于不对称合成。与手性氢键催化合作，开发了一种前所未有的氧化还原中性[3+2]光环加成反应，促进了多种有价值的氮杂芳烃官能化环戊基酮的合成，具有高产率、ee和dr。
• Abarca-Gonzalez, Belen; Jones, R. Alan; Medio-Simon, Mercedes, Synthetic Communications, 1990, vol. 20, # 3, p. 321 - 331
  作者：Abarca-Gonzalez, Belen、Jones, R. Alan、Medio-Simon, Mercedes、Quilez-Pardo, Juan、Sepulveda-Arques, Jose、Zaballos-Garcia, Elena

  DOI：——

  日期：——