4-乙氧基-2,3-二氟-4'-丙基-1,1'-联苯 | 157248-24-3

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 中文名称: 4-乙氧基-2,3-二氟-4'-丙基-1,1'-联苯
• 英文名称: 1,1'-Biphenyl, 4-ethoxy-2,3-difluoro-4'-propyl-
• 英文别名: 1-ethoxy-2,3-difluoro-4-(4-propylphenyl)benzene
• CAS: 157248-24-3
• 化学式: C₁₇H₁₈F₂O
• 分子量: 276.32
• InChiKey: RYPOSVPGRBGCKW-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  5.4
• 重原子数：
  20
• 可旋转键数：
  5
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.29
• 拓扑面积：
  9.2
• 氢给体数：
  0
• 氢受体数：
  3

文献信息

• PIPERIDINE DERIVATIVE, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE
  申请人：JNC CORPORATION

  公开号：US20160039758A1

  公开（公告）日：2016-02-11

  To provide a liquid crystal composition containing a compound that is effective in preventing photolysis of the liquid crystal composition, and has high solubility in the liquid crystal composition, and to provide a liquid crystal display device including the composition. The liquid crystal composition contains a compound represented by formula (1), and a liquid crystal display device uses the composition: in which, in formula (1), R 1 to R 8 are hydrogen or alkyl having 1 to 4 carbons; ring A 1 and ring A 2 are cyclohexylene, phenylene, naphthalenediyl or the like; Z 1 , Z 2 and Z 3 are a single bond or the like; and a and b are independently 1 or 2, and c is 0, 1 or 2.

  为了提供一种液晶组合物，其中包含一种化合物，该化合物有效地防止液晶组合物的光解，并且在该液晶组合物中具有高溶解度，以及提供一种包含该组合物的液晶显示器。该液晶组合物包含由公式(1)表示的化合物，而液晶显示器使用该组合物：在公式(1)中，R1至R8是氢或具有1至4个碳原子的烷基；环A1和环A2是环己烯基、苯基、萘基等；Z1、Z2和Z3是单键等；a和b独立地为1或2，而c为0、1或2。
• Negative Dielectric Anisotropic Liquid Crystal Compounds Containing 2,3-Difluorophenyl Group, and Preparation Method and Use Thereof
  申请人：Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd.

  公开号：US20150152330A1

  公开（公告）日：2015-06-04

  A negative dielectric anisotropic liquid crystal compound containing 2,3-difluorophenyl, and a preparation method and use thereof are disclosed. The compound has a general structural formula as shown in Formula I. The negative dielectric anisotropic liquid crystal compound has a negative dielectric anisotropy (Δε), and has cyclobutyl or cyclopentyl as a terminal group. Compared with conventional liquid crystal compounds with a flexible alkyl chain as a terminal group, the compound of Formula I according to the present invention has the advantage of high clearing point, and enables extension of the application range of a liquid crystal mixture because a positive correlation exists between the clearing points of the liquid crystal mixture and monomer liquid crystal compounds. In addition, the compound can increase the absolute value of the negative dielectric constant of the liquid crystal mixture, thus having an important application value.

  本公开揭示了一种含有2,3-二氟苯基的负介电各向异性液晶化合物，以及其制备方法和用途。该化合物具有如化学式I所示的一般结构式。该负介电各向异性液晶化合物具有负的介电各向异性（Δε），并且具有环丁基或环戊基作为末端基团。与末端基团为柔性烷基链的传统液晶化合物相比，根据本发明的化合物具有高清晰点的优点，并且能够扩展液晶混合物的应用范围，因为液晶混合物的清晰点与单体液晶化合物的清晰点之间存在正相关关系。此外，该化合物可以增加液晶混合物的负介电常数的绝对值，因此具有重要的应用价值。
• LIQUID CRYSTAL COMPOUNDS OF CYCLOALKYL-CONTAINING DIBENZOFURAN DERIVATIVES, PREPARATION METHOD THEREFOR AND USE THEREOF
  申请人：Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd

  公开号：US20180112132A1

  公开（公告）日：2018-04-26

  Disclosed are liquid crystal compounds of cycloalkyl-containing dibenzofuran derivatives, a preparation method therefor and use thereof. The compounds are as represented by formula I. In the molecular structures of the compounds of formula I provided by the present invention, liquid crystal compounds of cycloalkyl terminal group-containing dibenzofuran derivatives, compared with those having flexible alkyl chains as terminal groups, exhibit better intersolubility, and thus the use of a compound as represented by formula I provided by the present invention can improve the intersolubility of a liquid crystal compound and extend the application range of a liquid crystal mixture, producing an important application value.

  本发明揭示了环烷基含有二苯并呋喃衍生物的液晶化合物，其制备方法和用途。该化合物如公式I所示。在本发明提供的公式I化合物的分子结构中，与具有柔性烷基链作为末端基团的化合物相比，含有环烷基末端基团的二苯并呋喃衍生物的液晶化合物表现出更好的互溶性，因此使用本发明提供的公式I所代表的化合物可以改善液晶化合物的互溶性并扩展液晶混合物的应用范围，产生重要的应用价值。
• 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。
• SPONTANEOUS ORIENTATION AID FOR LIQUID CRYSTAL COMPOSITION, COMPOUND SUITABLE FOR SAID SPONTANEOUS ORIENTATION AID, LIQUID CRYSTAL COMPOSITION, AND LIQUID CRYSTAL DISPLAY ELEMENT
  申请人：DIC Corporation

  公开号：US20190203122A1

  公开（公告）日：2019-07-04

  The present invention provides a spontaneous orientation aid for a liquid crystal composition, containing one kind or two or more kinds of a compound having a partial structure represented by the general formula (i), wherein Z i1 represents a single bond, etc.; A i1 represents a divalent 6-membered aromatic group, etc.; m i1 represents an integer of 1 to 5; and K i1 represents a structure represented by any of the following formulae (K-1) to (K-8), wherein W K1 represents a methine group, etc.; X K1 and Y K1 each represent —CH 2 —, etc.; Z K1 represents an oxygen atom, etc.; and U K1 , V K1 , and S K1 each represent a methine group, etc.:

  本发明提供了一种液晶组分的自发定向助剂，包含一种或两种或更多种具有由通式（i）表示的部分结构的化合物，其中Zi1表示单键等；Ai1表示二价的6元芳香基团等；mi1表示1到5的整数；Ki1表示由以下任一公式（K-1）至（K-8）表示的结构，其中WK1表示甲烷基等；XK1和YK1分别表示—CH2—等；ZK1表示氧原子等；UK1、VK1和SK1各表示甲烷基等：