9-methyl-9-(trifluoromethyl)-2,3,6,7-xanthenetetracarboxylic dianhydride

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 苯并吡喃
• 英文名称: 9-methyl-9-(trifluoromethyl)-2,3,6,7-xanthenetetracarboxylic dianhydride
• 英文别名: 12-Methyl-12-(trifluoromethyl)-2,7,17-trioxapentacyclo[11.7.0.03,11.05,9.015,19]icosa-1(13),3(11),4,9,14,19-hexaene-6,8,16,18-tetrone
• 化学式: C₁₉H₇F₃O₇
• 分子量: 404.256
• InChiKey: LRKPQRUJEBODRO-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.6
• 重原子数：
  29
• 可旋转键数：
  0
• 环数：
  5.0
• sp3杂化的碳原子比例：
  0.16
• 拓扑面积：
  96
• 氢给体数：
  0
• 氢受体数：
  10

反应信息

• 作为反应物：
  描述：

  2,2'-二(三氟甲基)二氨基联苯 、 9-methyl-9-(trifluoromethyl)-2,3,6,7-xanthenetetracarboxylic dianhydride 以 N-甲基吡咯烷酮 为溶剂， 反应 1.0h， 以16.62 g的产率得到11-methyl-2,8-bis(2,2'-bis(trifluoromethyl)-4'-amino-11-biphenyl-4-yl)-1,1'-(trifluoromethyl)-1H-pyrano[2,3-f:5,6-f']diisoindole-1,3,7,9(2H,8H,11H)-tetrone
  参考文献：
  名称：

  [EN] POLYMERS FOR USE IN ELECTRONIC DEVICES
  [FR] POLYMÈRES DESTINÉS À ÊTRE UTILISÉS DANS DES DISPOSITIFS ÉLECTRONIQUES

  摘要：

  揭示了具有化学式（IV）的酸二酐。在化学式IV中：Rd代表四羧酸组分残基；Re代表二胺残基；m为1-20之间的整数。

  公开号：

  WO2019222304A1
• 作为产物：
  描述：

  3,4-二甲基苯酚 在 吡啶 、 potassium permanganate 、 三氟甲磺酸 、 乙酸酐 作用下， 以 二氯甲烷 、 水 为溶剂， 反应 96.0h， 生成 9-methyl-9-(trifluoromethyl)-2,3,6,7-xanthenetetracarboxylic dianhydride
  参考文献：
  名称：

  一种具有氟化刚性结构的四羧酸二酐的合成方法

  摘要：

  本发明提出了一种具有氟化刚性结构的四羧酸二酐的合成方法，通过采用三氟甲磺酸、三氟乙酸和/或硫酸来替代氢氟酸作为催化剂以实现3，4‑二甲基苯酚或3，3'，4，4'‑四甲基二苯醚到氧杂蒽四羧酸二酐的转化，整个合成方法具有高效、安全、可控的优点。

  公开号：

  CN111303183A

文献信息

• THIN FILM TRANSISTOR SUBSTRATE
  申请人：FUKUDA Shunji

  公开号：US20130126860A1

  公开（公告）日：2013-05-23

  A main object of the present invention is to provide a TFT substrate having excellent switching characteristics. The object is attained by providing a thin film transistor substrate comprising: a substrate, and a thin film transistor having an oxide semiconductor layer that is formed on the substrate and is formed from an oxide semiconductor, and a semiconductor layer-adjoining insulating layer formed to be in contact with the oxide semiconductor layer, wherein at least one semiconductor layer-adjoining insulating layer included in the thin film transistor is a photosensitive polyimide insulating layer formed by using a photosensitive polyimide resin composition.

  本发明的主要目的是提供一种具有优异开关特性的TFT基板。该目标通过提供一种薄膜晶体管基板来实现，该基板包括：基板和薄膜晶体管，所述薄膜晶体管具有在基板上形成的氧化物半导体层，该氧化物半导体层由氧化物半导体形成，并且与氧化物半导体层接触的半导体层相邻的绝缘层，其中，在薄膜晶体管中包括的至少一个半导体层相邻的绝缘层是使用光敏聚酰亚胺树脂组合物形成的光敏聚酰亚胺绝缘层来实现的。
• Liquid crystal display device having polymeric alignment films and method for manufacturing same
  申请人：Sony Corporation

  公开号：EP2388643A2

  公开（公告）日：2011-11-23

  A method of manufacturing a liquid crystal display device with which response characteristics are able to be easily improved without using major equipment is provided. The method of manufacturing a liquid crystal display device includes steps of forming a first alignment film 22 composed of a polymer compound having a crosslinkable functional group as a side chain on one substrate of a pair of substrates 20 and 30; forming a second alignment film 32 on the other substrate of the pair of substrates 20 and 30; arranging the pair of substrates 20 and 30 so that the first alignment film 22 and the second alignment film 32 are opposed to each other, and sealing a liquid crystal layer 40 containing a liquid crystal molecule 41 having negative dielectric constant anisotropy between the first alignment film 22 and the second alignment film 32; and bridging the polymer compound to give pretilt to the liquid crystal molecule 41 after sealing the liquid crystal layer 40.

  本发明提供了一种制造液晶显示装置的方法，该方法无需使用大型设备即可轻松改善响应特性。该液晶显示装置的制造方法包括以下步骤：在一对衬底 20 和 30 中的一个衬底上形成由具有可交联官能团作为侧链的聚合物化合物构成的第一配向膜 22；在一对衬底 20 和 30 中的另一个衬底上形成第二配向膜 32；将一对衬底 20 和 30 排列成第一配向膜 22 和第二配向膜 32 相对，并在第一配向膜 22 和第二配向膜 32 之间密封含有具有负介电常数各向异性的液晶分子 41 的液晶层 40；以及在密封液晶层 40 之后桥接聚合物化合物，使液晶分子 41 预倾斜。
• 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 UNIT AND METHOD OF MANUFACTURING THE SAME
  申请人：Suwa Shunichi

  公开号：US20110157531A1

  公开（公告）日：2011-06-30

  A method of manufacturing a liquid crystal display device with which response characteristics are able to be easily improved without using major equipment is provided. The method of manufacturing a liquid crystal display device includes steps of forming a first alignment film 22 including a polymer compound having a crosslinkable functional group as a side chain on one substrate of a pair of substrates 20 and 30 ; forming a second alignment film 32 on the other substrate of the pair of substrates 20 and 30 ; arranging the pair of substrates 20 and 30 so that the first alignment film 22 and the second alignment film 32 are opposed to each other, and sealing a liquid crystal layer 40 containing a liquid crystal molecule 41 having negative dielectric constant anisotropy between the first alignment film 22 and the second alignment film 32 ; and bridging the polymer compound to give pretilt to the liquid crystal molecule 41 after sealing the liquid crystal layer 40.
• LIQUID CRYSTAL DISPLAY AND METHOD OF MANUFACTURING THE SAME
  申请人：Suwa Shunichi

  公开号：US20110273652A1

  公开（公告）日：2011-11-10

  A method of manufacturing a liquid crystal display element capable of easily improving response characteristics without using a large apparatus is provided. After alignment films 22 and 32 made of a polymer compound including a crosslinkable functional group as a side chain and a bulky skeleton such as an adamantane skeleton are formed in a TFT substrate 20 and a CF substrate 30 , the alignment films 22 and 32 are arranged to face each other, and a liquid crystal layer 40 including liquid crystal molecules 41 is sealed between the alignment films 22 and 32 , and then, in a state where the liquid crystal molecules 41 are aligned to allow long-axis directions thereof to be oblique with respect to a substrate surface, the polymer compound in the alignment films 22 and 32 is reacted to form a polymer compound including a cross-linked structure, and predetermined pretilts are provided to liquid crystal molecules 41 A and 41 B placed in proximity to the alignment films 22 and 32 , respectively.