2,2'-bis(trifluoromethyl)-4,4'-biphenyldicarbaldehyde | 1271813-32-1

• 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: 2,2'-bis(trifluoromethyl)-4,4'-biphenyldicarbaldehyde
• 英文别名: 2,2'-bis(trifluoromethyl)-4,4'-biphenylcarbaldehyde；2,2'-Bis(trifluoromethyl)-1,1'-biphenyl-4,4'-dicarbaldehyde；4-[4-formyl-2-(trifluoromethyl)phenyl]-3-(trifluoromethyl)benzaldehyde
• CAS: 1271813-32-1
• 化学式: C₁₆H₈F₆O₂
• 分子量: 346.229
• InChiKey: BWEWADOCLHWAII-UHFFFAOYSA-N

物化性质

• 沸点：
  393.0±42.0 °C(Predicted)
• 密度：
  1.412±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  4.2
• 重原子数：
  24
• 可旋转键数：
  3
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.12
• 拓扑面积：
  34.1
• 氢给体数：
  0
• 氢受体数：
  8

反应信息

• 作为反应物：
  描述：

  2,2'-bis(trifluoromethyl)-4,4'-biphenyldicarbaldehyde 在 sodium tetrahydroborate 、 potassium tert-butylate 、 氢溴酸 作用下， 以 四氢呋喃 、 甲醇 、 水 为溶剂， 反应 30.0h， 生成 4-(bromomethylene)-4'-methylene-2,2'-bis(trifluoromethyl)-[1,1'-bi(cyclohexylidene)]-2,2',5,5'-tetraene
  参考文献：
  名称：

  New evidence supporting the mechanism of Gilch polymerization from an extremely twisted biphenyl monomer

  摘要：

  通过原位 1H-NMR 光谱法，我们首次鉴定了一种极度扭曲的联苯单体在 Gilch 聚合过程中形成的对联醌二甲烷物种。通过对链末端的鉴定，我们得出结论：联苯类单体在 Gilch 聚合过程中的链增长具有自由基和阴离子两种性质。

  DOI：

  10.1039/c2cc33008c
• 作为产物：
  描述：

  邻氨基三氟甲苯 在 盐酸 、 N-溴代丁二酰亚胺(NBS) 、 copper(l) cyanide 、 铜 、 二异丁基氢化铝 、 potassium iodide 、 sodium nitrite 作用下， 以 N-甲基吡咯烷酮 、 水 、 N,N-二甲基甲酰胺 为溶剂， 生成 2,2'-bis(trifluoromethyl)-4,4'-biphenyldicarbaldehyde
  参考文献：
  名称：

  New evidence supporting the mechanism of Gilch polymerization from an extremely twisted biphenyl monomer

  摘要：

  通过原位 1H-NMR 光谱法，我们首次鉴定了一种极度扭曲的联苯单体在 Gilch 聚合过程中形成的对联醌二甲烷物种。通过对链末端的鉴定，我们得出结论：联苯类单体在 Gilch 聚合过程中的链增长具有自由基和阴离子两种性质。

  DOI：

  10.1039/c2cc33008c

文献信息

• ENERGY-SENSITIVE RESIN COMPOSITION
  申请人：Tokyo Ohka Kogyo Co., Ltd.

  公开号：EP3275940A1

  公开（公告）日：2018-01-31

  The present invention provides an energy-sensitive resin composition with which it is possible, even if the precursor polymer is heat-treated at low temperatures, to produce a film or molded article comprising an imide ring-containing polymer having excellent heat resistance, tensile elongation and chemical resistance with a low dielectric constant, or a film or molded article comprising an oxazole ring-containing polymer having excellent heat resistance, tensile elongation and chemical resistance. Also provided are a method of manufacturing the film or molded article; a method of forming a pattern using the energy-sensitive resin composition; and a permanent film having excellent heat resistance, tensile elongation and chemical resistance. The energy-sensitive resin composition comprises an imidazole compound (A) represented by formula (1a), a resin precursor component (B), and a solvent (S), wherein the resin precursor component (B) is at least one resin precursor component selected from the group consisting of: a monomer component comprising a diamine compound represented by formula (2), a dicarbonyl compound represented by formula (3a) and/or a tetracarboxylic acid dianhydride represented by formula (3b); and a precursor polymer having a repeating unit represented by formula (4).

  本发明提供了一种能量敏感树脂组合物，使用该组合物，即使在低温下对前体聚合物进行热处理，也可以生产出一种薄膜或模塑制品，该薄膜或模塑制品由具有优异耐热性、拉伸伸长率和耐化学性且介电常数较低的含亚胺环聚合物组成，或由具有优异耐热性、拉伸伸长率和耐化学性的含恶唑环聚合物组成。此外，还提供了一种制造薄膜或模塑品的方法；一种使用能量敏感树脂组合物形成图案的方法；以及一种具有优异耐热性、拉伸伸长率和耐化学性的永久性薄膜。能敏树脂组合物包括由式 (1a) 表示的咪唑化合物 (A)、树脂前体组分 (B) 和溶剂 (S)，其中树脂前体组分 (B) 是至少一种选自以下组别的树脂前体组分：由式（2）代表的二胺化合物、式（3a）代表的二羰基化合物和/或式（3b）代表的四羧酸二酐组成的单体组分；以及具有式（4）代表的重复单元的前体聚合物。
• LIQUID COMPOSITION, QUANTUM DOT-CONTAINING FILM, OPTICAL FILM, LUMINESCENT DISPLAY ELEMENT PANEL, AND LUMINESCENT DISPLAY DEVICE
  申请人：TOKYO OHKA KOGYO CO., LTD.

  公开号：EP3812805A1

  公开（公告）日：2021-04-28

  The present invention provides: a liquid composition which can be suitably used for production of an optical film having a favorable fluorescence efficiency and includes quantum dots (A), a quantum dot-containing film obtained by drying and/or curing the liquid composition, an optical film for a light-emitting display element made of the quantum dot-containing film, a light-emitting display element panel including the optical film, and a light-emitting display equipped with the light-emitting display element panel. An ionic liquid (B), and a solvent (S) are incorporated into a liquid composition including quantum dots (A), in which the solvent (S) includes a solvent (S1), the solvent (S1) being a compound having a cyclic skeleton and including a heteroatom other than a hydrogen atom and a carbon atom.

  本发明提供：一种可适当用于生产具有良好荧光效率且包括量子点（A）的光学薄膜的液体组合物、一种通过干燥和/或固化该液体组合物而获得的含量子点薄膜、一种由该含量子点薄膜制成的用于发光显示元件的光学薄膜、一种包括该光学薄膜的发光显示元件面板，以及一种配备有该发光显示元件面板的发光显示器。在包括量子点（A）的液体组合物中加入离子液体（B）和溶剂（S），其中溶剂（S）包括溶剂（S1），溶剂（S1）是具有环状骨架并包括除氢原子和碳原子之外的杂原子的化合物。
• Composition containing microparticles
  申请人：TOKYO OHKA KOGYO CO., LTD.

  公开号：US10570269B2

  公开（公告）日：2020-02-25

  A composition which contains microparticles and does not undergo the long-term process of aggregation of the microparticles during storage of the composition. An imidazole compound having a specific structure is added to a composition containing microparticles having a volume average particle diameter of 3000 nm or less. The composition may contain a base material component. The base material component may be a heat-curable or photocurable base material component. The microparticles may be inorganic particles and/or organic particles.

  一种含有微颗粒的组合物，在组合物储存期间不会经历微颗粒长期聚集的过程。将具有特定结构的咪唑化合物添加到含有体积平均粒径为 3000 nm 或更小的微颗粒的组合物中。该组合物可包含一种基础材料成分。基料成分可以是热固化或光固化基料成分。微颗粒可以是无机颗粒和/或有机颗粒。
• Energy-sensitive resin composition
  申请人：TOKYO OHKA KOGYO CO., LTD.

  公开号：US10696845B2

  公开（公告）日：2020-06-30

  An energy-sensitive resin composition with which it is possible, even if the precursor polymer is heat-treated at low temperatures, to produce a film or molded article comprising an imide ring-containing polymer having excellent heat resistance, tensile elongation and chemical resistance with a low dielectric constant, or a film or molded article comprising an oxazole ring-containing polymer having excellent heat resistance, tensile elongation and chemical resistance. A method of manufacturing the film or molded article; a method of forming a pattern using the energy-sensitive resin composition; and a permanent film having excellent heat resistance, tensile elongation and chemical resistance. The energy-sensitive resin composition includes an imidazole compound, a resin precursor component, and a solvent, the resin precursor component being at least one of a monomer component including a diamine compound, a dicarbonyl compound and/or a tetracarboxylic acid dianhydride; and a precursor polymer having a repeating unit.

  一种能量敏感树脂组合物，使用该组合物，即使在低温下对前体聚合物进行热处理，也能生产出一种薄膜或模塑制品，该薄膜或模塑制品由具有优异耐热性、拉伸伸长率和耐化学性且介电常数较低的含亚胺环聚合物组成，或由具有优异耐热性、拉伸伸长率和耐化学性的含噁唑环聚合物组成。制造薄膜或模塑制品的方法；使用能量敏感树脂组合物形成图案的方法；以及具有优异耐热性、拉伸伸长率和耐化学性的永久性薄膜。能敏树脂组合物包括咪唑化合物、树脂前体组分和溶剂，树脂前体组分是单体组分中的至少一种，包括二胺化合物、二羰基化合物和/或四羧酸二酐；以及具有重复单元的前体聚合物。
• Polybenzoxazole precursor and coating composition using the same
  申请人：——

  公开号：US20030143480A1

  公开（公告）日：2003-07-31

  Provided is a polybenzoxazole precursor having a high purity which does not contain ionic by-products. The above polybenzoxazole precursor comprises a repetitive unit represented by Formula (1): 1 wherein A 1 represents a tetravalent aromatic group; N and OH which are bonded to A 1 are paired, and the respective pairs of N and OH are bonded to carbons which are adjacent to each other on the same aromatic ring; A 2 represents a divalent organic group; and n represents a number of 2 to 300.

  本发明提供了一种不含离子副产物的高纯度聚苯并恶唑前体。上述聚苯并恶唑前体包括由式（1）表示的重复单元： 1 其中 A 1 代表四价芳香族基团；N 和 OH 与 A 1 成对，且 N 和 OH 分别与同一芳香环上相邻的碳键合；A 2 代表二价有机基团；n 代表 2 至 300 之间的数字。