4-(4-乙基环己基)-3',4',5'-三氟-1,1'-联苯 | 137019-94-4

• 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-(4-乙基环己基)-3',4',5'-三氟-1,1'-联苯
• 英文名称: 4'-(trans-4-Ethylcyclohexyl)-3,4,5-trifluoro-1,1'-biphenyl
• 英文别名: 5-[4-(4-ethylcyclohexyl)phenyl]-1,2,3-trifluorobenzene
• CAS: 137019-94-4
• 化学式: C₂₀H₂₁F₃
• 分子量: 318.4
• InChiKey: IZQPXKDLSVKAMJ-UHFFFAOYSA-N

物化性质

• 沸点：
  388.4±42.0 °C(Predicted)
• 密度：
  1.112±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  7.2
• 重原子数：
  23
• 可旋转键数：
  3
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.4
• 拓扑面积：
  0
• 氢给体数：
  0
• 氢受体数：
  3

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）。
• OPTICALLY ISOTROPIC LIQUID CRYSTAL MEDIUM AND OPTICAL DEVICE
  申请人：HASEBA YASUHIRO

  公开号：US20090135368A1

  公开（公告）日：2009-05-28

  A liquid crystal medium is described, which has a wide temperature range of a liquid crystal phase, a large optical anisotropy and a large dielectric anisotropy and exhibits an optically isotropic liquid crystal phase. The liquid crystal medium is characterized in including a chiral dopant and a liquid crystal compound with a chlorophenyl ring and exhibiting an optically isotropic liquid crystal phase.

  描述了一种液晶介质，具有广泛的液晶相温度范围、大的光学各向异性和大的介电各向异性，并呈现出光学各向同性的液晶相。该液晶介质的特点在于包括一个手性掺杂剂和一个含有氯苯环的液晶化合物，呈现出光学各向同性的液晶相。
• Trifluorobenzene derivatives and liquid crystal compositions containing the same
  申请人：Chisso Corporation

  公开号：EP0387032A1

  公开（公告）日：1990-09-12

  Trifluorobenzene derivatives having good stability and a large positive dielectric anisotropy value and which may be used in liquid crystal compositions, have the formula: wherein R represents an alkyl group of 1 to 10 carbon atoms in which one -CH₂- group or two non-adjacent -CH₂- groups may be replaced by an oxygen atom and/or a -CO- group and/or a -COO- group and/or a -CH=CH- group; -A- and -B- each represent a 1,4-cyclohexylene, 1,4-phenylene, pyrimidine-2,5-­diyl or 1,3-dioxane-2,5-diyl group; 1 represents 0, 1 or 2; m represents 0, 1 or 2 and 1+m≧1; and Z¹ and Z² are the same or different and each represents a group -COO-, -CH₂CH₂-, -OCH₂-, -CH₂- or -CH=CH-, or a single bond.

  三氟苯衍生物具有良好的稳定性和较大的正介电各向异性值，可用于液晶组合物，其化学式为 其中 R 代表 1 至 10 个碳原子的烷基，其中一个 -CH₂- 基团或两个不相邻的 -CH₂- 基团可被一个氧原子和/或一个 -CO- 基团和/或一个 -COO- 基团和/或一个 -CH=CH- 基团取代；-A-和-B-各自代表 1,4-环己烯、1,4-亚苯基、嘧啶-2,5-二基或 1,3-二噁烷-2,5-二基； 1 代表 0、1 或 2；m 代表 0、1 或 2 和 1+m≧1；以及 Z¹ 和 Z² 相同或不同，且各自代表基团 -COO-、-CH₂CH₂-、-OCH₂-、-CH₂- 或 -CH=CH-，或单键。
• Liquid crystalline compound, liquid crystal composition containing the same and liquid crystal display device
  申请人：Chisso Corporation

  公开号：EP0733610A1

  公开（公告）日：1996-09-25

  The present invention describes a hexynediene derivative expressed by the following general formula I and liquid crystal compositions containing the derivative : wherein R1 and R2 independently represent an alkyl group or alkoxy group each having 1 to 10 carbon atoms, ring A and ring B independently represent 1,4-cyclohexylene or 1,4-phenylene. A liquid crystal display device containing said composition is also described.

  本发明描述了一种由以下通式 I 表示的己二烯衍生物和含有该衍生物的液晶组合物： 其中，R1 和 R2 分别代表各自具有 1 至 10 个碳原子的烷基或烷氧基，环 A 和环 B 分别代表 1,4-环己烯或 1,4-亚苯基。 还描述了一种含有上述组合物的液晶显示装置。
• LIQUID CRYSTAL COMPOSITION, AND LIQUID CRYSTAL DISPLAY ELEMENT
  申请人：Chisso Corporation

  公开号：EP2182045A1

  公开（公告）日：2010-05-05

  The invention is to provide a liquid crystal composition 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 that is suitably balanced concerning at least two characteristics. The invention is to provide an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The invention is to provide a liquid crystal composition having a nematic phase that contains a specific five-membered ring compound having a large optical anisotropy and a large dielectric anisotropy as a first component and a specific compound having a small viscosity as a second component, and a liquid crystal display device containing the composition.

  本发明旨在提供一种液晶组合物，该液晶组合物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至少一个特性，或在至少两个特性方面达到适当平衡。本发明旨在提供一种具有响应时间短、电压保持比大、对比度大、使用寿命长等特点的调幅装置。本发明旨在提供一种具有向列相的液晶组合物，该组合物包含一种具有较大光学各向异性和较大介电各向异性的特定五元环化合物作为第一成分，以及一种具有较小粘度的特定化合物作为第二成分，以及一种含有该组合物的液晶显示装置。