5-[4-（1,3-二氧代-2-苯并呋喃-5-基）苯基]-2-苯并呋喃-1,3-二酮 | 106070-55-7

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 苯并呋喃
• 中文名称: 5-[4-（1,3-二氧代-2-苯并呋喃-5-基）苯基]-2-苯并呋喃-1,3-二酮
• 英文名称: paraterphenyltetracarboxylic dianhydride
• 英文别名: 3,4,3″,4″-p-terphenyltetracarboxylic dianhydride；1,3-Isobenzofurandione, 5,5'-(1,4-phenylene)bis-；5-[4-(1,3-dioxo-2-benzofuran-5-yl)phenyl]-2-benzofuran-1,3-dione
• CAS: 106070-55-7
• 化学式: C₂₂H₁₀O₆
• 分子量: 370.318
• InChiKey: YXCKIFUUJXNFIW-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.9
• 重原子数：
  28
• 可旋转键数：
  2
• 环数：
  5.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  86.7
• 氢给体数：
  0
• 氢受体数：
  6

反应信息

• 作为产物：
  描述：

  paraterphenyltetracarboxylic acid 在 溶剂黄146 作用下， 反应 4.0h， 以88.2%的产率得到5-[4-（1,3-二氧代-2-苯并呋喃-5-基）苯基]-2-苯并呋喃-1,3-二酮
  参考文献：
  名称：

  パラターフェニルテトラカルボン酸およびパラターフェニルテトラカルボン酸二無水物の製造方法

  摘要：

  提供一种新的制备对苯四羧酸和其二无水物的方法。通过使式（1）中表示的4-卤苯二甲酸与式（2）中表示的1,4-苯基硼酸发生反应，从而得到式（3）中表示的对苯四羧酸（第一反应）。进一步进行脱水处理，得到式（4）中表示的对苯四羧酸二无水物（第二反应）。【选择图】无

  公开号：

  JP2021042153A

文献信息

• Liquid crystal aligning agent for photoalignment, liquid crystal alignment film and liquid crystal display device using it, and diamine and polymer
  申请人：JNC CORPORATION

  公开号：US10968392B2

  公开（公告）日：2021-04-06

  Provided are a liquid crystal alignment film capable of being given anisotropy through photoalignment and stable to light, and a liquid crystal display device capable of keeping a high voltage holding ratio without degradation of display quality even when exposed to strong light for a long period of time. To provide these, used is a liquid crystal aligning agent for photoalignment which contains a polymer having a structural unit containing a photoreactive structure and in which the structural unit containing a photoreactive structure undergoes chemical reaction by heating.

  提供了一种液晶取向膜，能够通过光取向获得各向异性，并且对光稳定，并且提供了一种液晶显示装置，即使长时间暴露在强光下也能保持高电压保持比率而不会降低显示质量。为了实现这些，使用了一种用于光取向的液晶取向剂，其中包含具有光反应结构的结构单元的聚合物，并且具有光反应结构的结构单元通过加热发生化学反应。
• Novel para- or meta-terphenyltetracarboxylic acid, dianhydride thereof and process for preparing the same
  申请人：Hitachi Chemical Co., Ltd.

  公开号：EP0247731A1

  公开（公告）日：1987-12-02

  Disclosed are a para- or meta-terphenyl-3,4,31,4"-tetracarboxylic acid or a dianhydride and a process for preparing the same. The para- or meta-terphenyl-3,4,3",4"-tetracarboxylic acid or a dianhydride thereof according to the present invention is a novel compound which is useful as a raw material for a polyimide having higher heat resistance and so on.

  本发明公开了一种对位或偏三联苯-3,4,31,4"-四羧酸或其二酸酐及其制备方法。 根据本发明，对位或偏三联苯-3,4,3",4"-四羧酸或其二酸酐是一种新型化合物，可用作具有更高耐热性等特性的聚酰亚胺的原料。
• LIQUID CRYSTAL DISPLAY ELEMENT
  申请人：JNC Corporation

  公开号：EP3125033A1

  公开（公告）日：2017-02-01

  Subject The subject is to provide liquid crystal display device that has characteristics such as a short response time, a large voltage holding ratio, a low threshold voltage, a large contrast ratio, a long service life and a small flicker rate. Means for solution The invention relates to a liquid crystal display device including an electrode group formed on one or both of a pair of substrates that are opposed to each other, and a plurality of active devices connected to the electrode group, and a liquid crystal alignment film formed on the opposing surfaces of the pair of substrates, and a liquid crystal composition sandwiched in between the pair of substrates.

  主题 本课题旨在提供具有响应时间短、电压保持比大、阈值电压低、对比度大、使用寿命长和闪烁率小等特性的液晶显示装置。 解决方法 本发明涉及一种液晶显示装置，包括在一对相对的基板中的一个或两个上形成的电极组，以及连接到电极组的多个有源器件，和在这对基板的相对表面上形成的液晶配向膜，以及夹在这对基板之间的液晶成分。
• Gas separation membrane, gas separation module, gas separation device, and gas separation method
  申请人：FUJIFILM Corporation

  公开号：US10040035B2

  公开（公告）日：2018-08-07

  Provided are a gas separation membrane which includes a gas separation layer formed to include a polyimide compound and in which the polyimide compound includes a repeating unit represented by the following Formula (I), a gas separation module, a gas separation device, and a gas separation method using the same. In Formula (I), R represents a group having a specific structure. R3 represents a specific substituent group. A1 to A3 represent a hydrogen atom or a specific substituent group, but all of A1 to A3 do not represent a hydrogen atom at the same time. In this case, at least one of R3, A1, A2, and A3 represents a specific polar group.

  本发明提供了一种气体分离膜，该膜包括由聚酰亚胺化合物形成的气体分离层，其中聚酰亚胺化合物包括由下式（I）表示的重复单元；还提供了一种气体分离组件、一种气体分离装置和一种使用该膜的气体分离方法。 式（I）中，R 代表具有特定结构的基团。R3 代表特定的取代基。A1 至 A3 代表氢原子或特定取代基，但所有 A1 至 A3 不同时代表氢原子。 在这种情况下，R3、A1、A2 和 A3 中至少有一个代表特定的极性基团。
• Liquid crystal display device
  申请人：JNC CORPORATION

  公开号：US10041000B2

  公开（公告）日：2018-08-07

  The subject is to show liquid crystal display device that has characteristics such as a short response time, a large voltage holding ratio, a low threshold voltage, a large contrast ratio, a long service life and a small flicker rate. The disclosure relates to a liquid crystal display device including an electrode group formed on one or both of a pair of substrates that are opposed to each other, and a plurality of active devices connected to the electrode group, and a liquid crystal alignment film formed on the opposing surfaces of the pair of substrates, and a liquid crystal composition sandwiched in between the pair of substrates.

  本发明的主题是显示具有响应时间短、电压保持比大、阈值电压低、对比度大、使用寿命长和闪烁率小等特性的液晶显示装置。本公开涉及一种液晶显示装置，包括形成在一对相对的基板中的一个或两个上的电极组，以及连接到电极组的多个有源器件，和形成在这对基板的相对表面上的液晶配向膜，以及夹在这对基板之间的液晶成分。