2-(3,4-Difluorophenyl)-5-(4-ethylcyclohexyl)-1,3-difluorobenzene | 159077-74-4

• 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-(3,4-Difluorophenyl)-5-(4-ethylcyclohexyl)-1,3-difluorobenzene
• CAS: 159077-74-4
• 化学式: C₂₀H₂₀F₄
• 分子量: 336.4
• InChiKey: YYERNJZLZGFATD-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  7.3
• 重原子数：
  24
• 可旋转键数：
  3
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.4
• 拓扑面积：
  0
• 氢给体数：
  0
• 氢受体数：
  4

文献信息

• 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。
• COMPOSITION AND LIQUID CRYSTAL DISPLAY ELEMENT USING SAME
  申请人：DIC Corporation

  公开号：EP3045512A1

  公开（公告）日：2016-07-20

  A composition exhibits a liquid crystal phase over a wide temperature range, has low viscosity, good low-temperature solubility, and high resistivity and voltage holding ratio, and is stable against heat and light. When this composition is used, IPS or TN-mode liquid crystal display devices that have good display quality and suffer less display failures such as image-sticking and drop marks are produced in high yields. Provided is a composition containing one or more compounds represented by general formula (M-1), one or more compounds represented by general formula (M-3), and one or more compounds represented by general formula (M-4). A liquid crystal display device using the composition is also provided.

  一种组合物在很宽的温度范围内呈现液晶相，具有低粘度、良好的低温溶解性、高电阻率和电压保持比，并且对热和光稳定。使用这种组合物可生产出显示质量好、图像粘连和滴痕等显示故障少的 IPS 或 TN 模式液晶显示设备，产量高。 本发明提供了一种含有通式（M-1）代表的一种或多种化合物、通式（M-3）代表的一种或多种化合物和通式（M-4）代表的一种或多种化合物的组合物。还提供了一种使用该组合物的液晶显示装置。
• Liquid crystal composition and liquid crystal display element using same
  申请人：DIC CORPORATION

  公开号：US10208250B2

  公开（公告）日：2019-02-19

  Provided are a liquid crystal composition including at least one or more compounds represented by General Formula (i) and at least one or more compounds represented by General Formula (M-1), in which the dielectric constant anisotropy at 25° C. is larger than 0 and 5 or less; and a liquid crystal display element using this composition. The liquid crystal composition has a positive Δε, can have the electrical capacity of the liquid crystal layer (CLC) reduced to a low level, can be driven at a voltage that is practically sufficiently low, and satisfies at least any one of the requirements of maintaining a liquid crystal phase over a wider temperature range, low viscosity, satisfactory solubility at low temperature, high specific resistance or voltage retention rate, and stability to heat or light; and provide an excellent liquid crystal display element.

  提供了一种液晶组合物，其中包括至少一种或多种通式(i)表示的化合物和至少一种或多种通式(M-1)表示的化合物，该组合物在25℃时的介电常数各向异性大于0且小于5；还提供了一种使用该组合物的液晶显示元件。该液晶组合物具有正Δε，可将液晶层（CLC）的电容量降至较低水平，可在实际足够低的电压下驱动，并至少满足在较宽温度范围内保持液晶相、低粘度、在低温下具有令人满意的溶解性、高比电阻或电压保持率以及对热或光的稳定性等要求中的任一要求；并提供一种优异的液晶显示元件。
• Composition and liquid crystal display device using the same
  申请人：DIC Corporation

  公开号：US10400168B2

  公开（公告）日：2019-09-03

  An object of the present invention is to provide a composition that has positive Δε, exhibits a liquid crystal phase over a wide temperature range, has low viscosity, excellent solubility at low temperatures, and high resistivity and voltage holding ratio, and is stable against heat and light. By using this composition, IPS or TN liquid crystal display devices and the like that have excellent display quality and suppress display failures such as image-sticking and drop marks are provided in high yield. Provided is a composition that contains at least one selected from the group consisting of compounds represented by general formulae (i) and (ii) and at least one compound represented by general formula (iii). Also provided is a liquid crystal display device that uses the composition and an IPS or FFS device that uses the composition.

  本发明的目的是提供一种组合物，该组合物具有正Δε，在宽温度范围内呈现液晶相，粘度低，低温溶解性好，电阻率和电压保持比高，并且对热和光稳定。通过使用这种组合物，可以提供高产量的 IPS 或 TN 液晶显示设备等，这些设备具有优异的显示质量，并能抑制图像粘连和掉落痕迹等显示故障。本发明提供了一种组合物，该组合物含有至少一种从通式（i）和（ii）所代表的化合物和至少一种通式（iii）所代表的化合物组成的组中选出的化合物。还提供了一种使用该组合物的液晶显示设备和一种使用该组合物的 IPS 或 FFS 设备。