2-(4a(2)-Fluoro[1,1a(2)-biphenyl]-4-yl)-5-pentylpyrimidine | 95495-18-4

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: 2-(4a(2)-Fluoro[1,1a(2)-biphenyl]-4-yl)-5-pentylpyrimidine
• 英文别名: 2-[4-(4-fluorophenyl)phenyl]-5-pentylpyrimidine
• CAS: 95495-18-4
• 化学式: C₂₁H₂₁FN₂
• 分子量: 320.4
• InChiKey: AKXWDLUCBHZTKZ-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  6
• 重原子数：
  24
• 可旋转键数：
  6
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.24
• 拓扑面积：
  25.8
• 氢给体数：
  0
• 氢受体数：
  3

文献信息

• Liquid crystalline compound, liquid crystal composition and liquid crystal display element
  申请人：Chisso Corporation

  公开号：EP0679707A1

  公开（公告）日：1995-11-02

  A liquid crystalline compound having a high elastic constant ratio (K33/K11) and an immproved solubility thereof in other liquid crystal materials, have the formula:- (1) : wherein Q represents -CF₃, -CF₂H or -CFH₂; A₁, A₂ and A₃ each independently represent a trans-1,4-cyclohexylene group, a 1,4-phenylene group wherein one or more hydrogen atoms on the ring may be replaced by F, Cℓ or CN, a pyridine-2,5-diyl group or a 1,3-pyrimidine-2,5-diyl group; ring B represents a 1,4-phenylene group or a trans-1,4-cyclohexylene group which can be replaced at its lateral position by groups L, and L₂ noted below; Z₁, Z₂ and Z₃ each independently represent a covalent bond or a group -CH=CH-, -C=C-, -OCO-, -COO-, -CH₂O-, -OCH₂-, -(CH₂)₂- or -(CH₂)₄-; ℓ and m each independently represent 0 or an integer of 1 to 5; o and p each independently represent 0 or 1; L1 and L2 each independently represent H, F or Cℓ; and L3 represents a hydrogen or halogen atom, -CN, -CF3, -CF2H, -CFH₂, -OCF3, -OCF₂H, a C₁-C₁₀ alkyl group or a C₂-C₁₀ alkenyl group [wherein optional non-adjacent methylene groups (-CH₂-) in the alkyl group or the alkenyl group may each independently be replaced by -O-, -S-, -CO-, -OCO- or -COO-].

  一种具有高弹性常数比（K33/K11）并能提高在其他液晶材料中溶解度的液晶化合物，其分子式为：(1) ： 其中 Q 代表 -CF₃、-CF₂H 或 -CFH₂；A₁、A₂ 和 A₃ 各自独立地代表反式-1,4-环己烯基、环上的一个或多个氢原子可被 F、Cℓ 或 CN 取代的 1,4-亚苯基、吡啶-2,5-二基或 1,3-嘧啶-2,5-二基；环 B 代表 1,4-亚苯基基团或反式-1,4-环己烯基团，其侧边位置可被下述基团 L 和 L₂ 取代；Z₁、Z₂ 和 Z₃ 各自独立地代表共价键或基团 -CH＝CH-、-C＝C-、-OCO-、-COO-、-CH₂O-、-OCH₂-、-(CH₂)₂- 或 -(CH₂)₄-；ℓ 和 m 各自独立地代表 0 或 1 至 5 的整数；o 和 p 各自独立地代表 0 或 1；L1 和 L2 各自独立地代表 H、F 或 Cℓ；L3 代表氢原子或卤素原子、-CN、-CF3、-CF2H、-CFH₂、-OCF3、-OCF₂H、C₁-C₁₀ 烷基或 C₂-C₁₀ 烯基[其中烷基或烯基中任选的非相邻亚甲基（-CH₂-）可各自独立地被-O-、-S-、-CO-、-OCO-或-COO-取代]。
• LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY ELEMENT
  申请人：JNC Corporation

  公开号：EP2348090A1

  公开（公告）日：2011-07-27

  The invention is to provide a liquid crystal composition that satisfies at least one of 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 positive dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding at least two of the characteristics; and 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; wherein the liquid crystal composition has positive dielectric anisotropy and includes a specific four-ring compound having a high maximum temperature of a nematic phase and a large dielectric anisotropy as a first component and a specific compound having a large positive dielectric anisotropy as a second component, and the liquid crystal display device contains this composition.

  本发明旨在提供一种液晶组合物，该液晶组合物至少满足向列相的最高温度高、向列相的最低温度低、粘度小、光学各向异性大、正介电各向异性大、比电阻大、对紫外线的稳定性高和对热的稳定性高等特性中的一个特性，或至少在其中两个特性上达到适当平衡；以及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；其中液晶组合物具有正介电各向异性，包括作为第一组分的具有向列相最高温度高和介电各向异性大的特定四环化合物，以及作为第二组分的具有正介电各向异性大的特定化合物，液晶显示装置包含该组合物。
• DICYCLOHEXYLETHYLENE DERIVATIVE
  申请人：CHISSO CORPORATION

  公开号：EP0688754B1

  公开（公告）日：1998-10-07
• LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE
  申请人：KIBE Shigeru

  公开号：US20090314988A1

  公开（公告）日：2009-12-24

  A liquid crystal composition having a nematic phase that includes two components, wherein the first component is a specific five-membered ring compound having a large maximum temperature and a large dielectric anisotropy and the second component is a specific compound having a small viscosity, and a liquid crystal display device containing the composition.
• US5653911A
  申请人：——

  公开号：US5653911A

  公开（公告）日：1997-08-05