4-乙基-2,3'',4'',5''-四氟-1,1':4',1''-三联苯 | 326894-55-7

• 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-乙基-2,3'',4'',5''-四氟-1,1':4',1''-三联苯
• 英文名称: 1,1':4',1''-Terphenyl, 4''-ethyl-2',3,4,5-tetrafluoro-
• 英文别名: 5-[4-(4-ethylphenyl)-2-fluorophenyl]-1,2,3-trifluorobenzene
• CAS: 326894-55-7
• 化学式: C₂₀H₁₄F₄
• 分子量: 330.3
• InChiKey: BYZUWIASASXWRG-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  6.4
• 重原子数：
  24
• 可旋转键数：
  3
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.1
• 拓扑面积：
  0
• 氢给体数：
  0
• 氢受体数：
  4

文献信息

• CYCLOHEPTANE DERIVATIVE AND PREPARATION METHOD AND USE THEREOF
  申请人：SHI JIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIALS CO., LTD.

  公开号：US20150252261A1

  公开（公告）日：2015-09-10

  A cycloheptane derivative as represented by formula (I), and preparation method and use thereof; the compound has photostability and thermostability, wide nematic phase and liquid crystalline state temperature range, and good low-temperature intersolubility, and particularly has low rotary viscosity γ 1 and good dielectric anisotropy (Δ∈>0).

  一种由式（I）表示的环庚烷衍生物，其制备方法和用途；该化合物具有光稳定性和热稳定性，宽的向列相和液晶状态温度范围，良好的低温相容性，特别是具有低旋转粘度γ1和良好的介电各向异性（Δ∈>0）。
• Liquid Crystal Compound Containing Cyclobutyl Group and Difluoromethyleneoxy Linking Group, and Preparation Method and Use Thereof
  申请人：ShijiaZhuang Chengzhi Yonghua Display Materials Co., Ltd.

  公开号：US20150284632A1

  公开（公告）日：2015-10-08

  A liquid crystal compound containing cyclobutyl and a linking group difluoromethyleneoxy, and a preparation method and use thereof are disclosed. The compound is as shown in Formula I. The liquid crystal compound containing cyclobutyl as a terminal group and difluoromethyleneoxy (—CF 2 O—) as a linking group in the molecular structure of Formula I according to the present invention, has not only a high dielectric anisotropy, but also importantly an extremely fast response speed and a high clearing point, which are of great significance for the formulation of a liquid crystal mixture.

  本发明公开了一种含有环丁基和连接基二氟甲氧基的液晶化合物，以及其制备方法和用途。该化合物如公式I所示。根据本发明，液晶化合物在分子结构中含有环丁基作为末端基和二氟甲氧基（-CF2O-）作为连接基，不仅具有高介电各向异性，而且非常快速的响应速度和高清晰点，这对于液晶混合物的配方具有重要意义。
• LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY ELEMENT
  申请人：Chisso Corporation

  公开号：EP2116587A1

  公开（公告）日：2009-11-11

  A liquid crystal composition is provided that satisfies at least one characteristic among the characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or is properly balanced regarding at least two characteristics. An AM device is provided that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The liquid crystal composition having a nematic phase, wherein the first component contains a specific three ring compound having a large optical anisotropy, the second component contains a specific four ring compound having a large dielectric anisotropy, and the third component contains a specific two ring compound having an especially small viscosity. The liquid crystal display device contains the liquid crystal composition.

  提供了一种液晶组合物，它至少满足向列相最高温度高、向列相最低温度低、粘度小、光学各向异性大、介电各向异性大、比电阻大、对紫外线稳定性高和对热稳定性高等特性中的一个特性，或者至少在两个特性上达到适当平衡。所提供的 AM 设备具有响应时间短、电压保持比大、对比度大、使用寿命长等特点。 具有向列相的液晶组合物，其中第一组分包含具有较大光学各向异性的特定三环化合物，第二组分包含具有较大介电各向异性的特定四环化合物，第三组分包含具有特别小粘度的特定二环化合物。液晶显示装置包含液晶组合物。
• LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY ELEMENT USING SAME
  申请人：DIC Corporation

  公开号：EP2806011A1

  公开（公告）日：2014-11-26

  A liquid crystal composition including one or two or more compounds selected from the group consisting of compounds represented by general formula (i) shown below, and one or two or more compounds selected from the group consisting of compounds represented by general formula (ii) shown below. (In formulae, Ri1 and Rii1 independently represent an alkyl group having 1 to 8 carbon atoms, and one -CH2- group or two or more -CH2- groups which are not adjacent to each other in the alkyl group may be independently substituted by -CH=CH-, -C≡C-, -O-, -CO-, -COO- or -OCO, and one or two or more hydrogen atoms in the alkyl group independently may be substituted by a fluorine atom or a chlorine atom; mi1 represents 0, 1 or 2; Ai1 represents 1,4-phenylene group in which a hydrogen atom may be substituted by a fluorine atom or a chlorine atom, and when mi1 represents 2, Ai1 may be the same or different; Xi1 independently represents a hydrogen atom, a fluorine atom or a chlorine atom; mii1 represents 0 or 1; Xii1, Xii2, Xii3 and Xii4 independently represent a hydrogen atom, a fluorine atom or a chlorine atom; and Xii5 represents a hydrogen atom, a fluorine atom, a chlorine atom, a cyano group, -CF3 or -OCF3.)

  一种液晶组合物，包括一种或两种或两种以上选自由下图通式(i)所代表的化合物组成的化合物组和一种或两种或两种以上选自由下图通式(ii)所代表的化合物组成的化合物组。 (式中，Ri1 和 Rii1 独立地代表具有 1 至 8 个碳原子的烷基，烷基中的一个-CH2-基团或两个或多个互不相邻的-CH2-基团可独立地被-CH=CH-、-C≡C-、-O-、-CO-、-COO-或-OCO取代，烷基中的一个或两个或多个氢原子可独立地被氟原子或氯原子取代；mi1 代表 0、1 或 2；Ai1 代表 1，4-亚苯基，其中一个氢原子可被氟原子或氯原子取代，当 mi1 代表 2 时，Ai1 可以相同或不同；Xi1 独立地代表一个氢原子、一个氟原子或一个氯原子；mii1代表0或1；Xii1、Xii2、Xii3和Xii4独立地代表氢原子、氟原子或氯原子；Xii5代表氢原子、氟原子、氯原子、氰基、-CF3或-OCF3。)
• LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL DISPLAY ELEMENT, AND LIQUID CRYSTAL DISPLAY
  申请人：DIC Corporation

  公开号：EP2845892A1

  公开（公告）日：2015-03-11

  A liquid crystal composition includes one or more of compounds represented by general formula (i) below and one or more of compounds represented by general formula (ii) below. In the formulae, R11a and R21a each independently represent an alkyl group having 1 to 8 carbon atoms where one -CH2- or two or more non-adjacent -CH2- in the alkyl group may each independently be substituted with -CH=CH-, - C=C-, -O-, -CO-, -COO-, or -OCO-; one or more hydrogen atoms in the alkyl group may be substituted with a fluorine atom or a chlorine atom; X11a, X12a, X13a, X14a, and X21a each independently represent a hydrogen atom or a fluorine atom; A21a, A22a, and A23a each independently represent a trans-1, 4-cyclohexylene group or a 1,4-phenylene group whose hydrogen atom may be substituted with a fluorine atom or a chlorine atom.

  液晶组合物包括下式(i)所代表的一种或多种化合物和下式(ii)所代表的一种或多种化合物。 式中，R11a 和 R21a 各自独立地代表具有 1 至 8 个碳原子的烷基，其中烷基中的一个-CH2-或两个或多个不相邻的-CH2-可各自独立地被-CH=CH-、-C=C-、-O-、-CO-、-COO-或-OCO-取代；烷基中的一个或多个氢原子可被氟原子或氯原子取代；X11a、X12a、X13a、X14a 和 X21a 各自独立地代表一个氢原子或一个氟原子；A21a、A22a 和 A23a 各自独立地代表一个反式-1，4-环己烯基团或一个 1，4-苯基基团，其氢原子可被一个氟原子或一个氯原子取代。