2,3-difluoro-4-hexyloxy-4''-pentylterphenyl | 121218-94-8

• 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-difluoro-4-hexyloxy-4''-pentylterphenyl
• 英文别名: 2,3-difluoro-4-hexyloxy-4"-pentyl-p-terphenyl；4-n-Hexyloxy-4§-n-pentyl-2,3-difluoro-p-terphenyl；2,3-Difluoro-4-hexyloxy-4''-pentyl-[1,1';4',1'']terphenyl；2,3-difluoro-1-hexoxy-4-[4-(4-pentylphenyl)phenyl]benzene
• CAS: 121218-94-8
• 化学式: C₂₉H₃₄F₂O
• 分子量: 436.585
• InChiKey: CLMBIJGVDOCXIU-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  10.1
• 重原子数：
  32
• 可旋转键数：
  12
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.38
• 拓扑面积：
  9.2
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为产物：
  描述：

  2,3-二氟苯酚 在 四(三苯基膦)钯 正丁基锂 、 硼酸三异丙酯 、 sodium carbonate 、 potassium carbonate 作用下， 以 丙酮 为溶剂， 反应 68.5h， 生成 2,3-difluoro-4-hexyloxy-4''-pentylterphenyl
  参考文献：
  名称：

  Gray, George W.; Hird, Michael; Lacey, David, Journal of the Chemical Society. Perkin transactions II, 1989, p. 2041 - 2054

  摘要：

  DOI：

文献信息

• The effect of carborane, bicyclo[2.2.2]octane and benzene on mesogenic and dielectric properties of laterally fluorinated three-ring mesogens
  作者：Adam Januszko、Kristin L. Glab、Piotr Kaszynski、Kaushik Patel、Robert A. Lewis、Georg H. Mehl、Michael D. Wand

  DOI：10.1039/b600068a

  日期：——

  Six series of structurally similar compounds containing 12- and 10-vertex p-carborane (A and B), bicyclo[2.2.2]octane (C), and benzene (D) were prepared and their mesogenic and dielectric properties investigated. Comparative analysis showed that all carborane derivatives form significantly less stable mesophases than their carbocyclic analogs, however they exhibit a relatively high shielding ability for lateral fluorination. Depression of the clearing temperature upon fluorination of series 1, 3, and 5 is approximately constant for each series A–D and correlates with the diameter of the ring (the slope = 14.8 °C Å−1 and R2 = 0.997). Compounds in series 2 (X = F) were used as low concentration additives to a nematic host, 6-CHBT. Dielectric parameters were extrapolated to pure additives and analyzed using the Maier–Meier equation. The Kirkwood factors g and apparent order parameters Sapp that are required to reproduce the extrapolated dielectric values follow the trend in the size of ring . The smallest g (0.47) and the largest Sapp (6.3) are obtained for carborane 2A, and the largest g (0.69) and the smallest Sapp (0.7) are obtained for the terphenyl derivative 2D. The increase of Sapp in the series D→A corresponds to the increasing disorder of the nematic solution with increasing size of ring .

  合成了六系列结构相似的化合物，包含有12和10顶点p-碳硼烷（A和B）、双环[2.2.2]辛烷（C）以及苯（D），并研究了它们的液晶性和介电性质。比较分析表明，所有碳硼烷衍生物的液晶相稳定性都明显低于其碳环类似物，但它们展示出较高的侧向氟化屏蔽能力。系列1、3和5的熔点降低值在氟化后大致恒定，对于A至D系列的每个系列，且与环的直径相关（斜率 = 14.8 °C Å−1，R² = 0.997）。系列2中的化合物（X = F）被用作向列相主体6-CHBT中的低浓度添加剂。介电参数被外推到纯添加剂并使用Maier–Meier方程进行分析。复现外推介电值所需的Kirkwood因子g和表观有序参数Sapp遵循环大小的趋势。最小的g（0.47）和最大的Sapp（6.3）获得于碳硼烷2A，最大的g（0.69）和最小的Sapp（0.7）则获得于三联苯衍生物2D。在系列D→A中Sapp的增加对应于随着环尺寸增加而增加的向列相溶液的无序。
• LIQUID CRYSTAL COMPOUND, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE
  申请人：Kobayashi Masahide

  公开号：US20120168677A1

  公开（公告）日：2012-07-05

  A liquid crystal compound represented by formula (1-1). For example, R 1 and R 2 are independently hydrogen, alkyl having 1 to 10 carbons, alkenyl having 2 to 10 carbons, alkoxy having 1 to 9 carbons, alkoxyalkyl having 2 to 9 carbons or alkenyloxy having 2 to 9 carbons; the ring A 1 is trans-1,4-cyclohexylene, 1,4-cyclohexenylene, 1,3-dioxane-2,5-diyl, pyrimidine-2,5-diyl or pyridine-2,5-diyl; L 1 and L 2 are independently hydrogen or fluorine, and at least one of them is fluorine; and Z 1 , Z 2 and Z 3 are independently a single bond, —(CH 2 ) 2 —, —CH═CH—, —C═C—, —CH 2 O—, —OCH 2 —, —COO— or —OCO—.

  一种由公式（1-1）表示的液晶化合物。例如，R1和R2分别为氢，具有1至10个碳的烷基，具有2至10个碳的烯基，具有1至9个碳的烷氧基，具有2至9个碳的烷氧基的烷氧基或具有2至9个碳的烯氧基; 环A1为反-1,4-环己烯基，1,4-环己烯基，1,3-二氧杂环戊烷-2,5-二基，嘧啶-2,5-二基或吡啶-2,5-二基; L1和L2分别为氢或氟，且至少一个为氟; Z1、Z2和Z3分别为单键，-(CH2)2-，-CH═CH-，-C═C-，-CH2O-，-OCH2-，-COO-或-OCO-。
• FOUR-RING LIQUID CRYSTAL COMPOUND HAVING LATERAL FLUORINE, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE
  申请人：Kobayashi Masahide

  公开号：US20110090450A1

  公开（公告）日：2011-04-21

  The invention provides a liquid crystal compound which has stability to heat, light and so forth, a nematic phase in a wide temperature range, a small viscosity, a large optical anisotropy, and a suitable elastic constant K 33 , and further has a suitable and negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds. Moreover, the invention provides a liquid crystal composition comprising this liquid crystal compound and a liquid crystal display device containing this liquid crystal composition. A liquid crystal compound represented by formula (a): for example, R 1 and R 2 are alkyl having 1 to 10 carbons, alkenyl having 2 to 10 carbons or alkoxy having 1 to 9 carbons; ring A 1 and ring A 2 are 1,4-phenylene or trans-1,4-cyclohexylene; L 1 and L 2 are hydrogen or fluorine, and at least one of L 1 and L 2 is fluorine; and Z 1 and Z 2 are a single bond, —(CH 2 ) 2 —, —CH═CH—, —CH 2 O— or —OCH 2 —.

  本发明提供一种液晶化合物，具有耐热、耐光等稳定性，在广泛的温度范围内具有向列相，粘度小，光学各向异性大，适当的弹性常数K33，进一步具有适当且负的介电各向异性，与其他液晶化合物具有良好的相容性。此外，本发明还提供了包含该液晶化合物的液晶组合物和包含该液晶组合物的液晶显示装置。一种由公式（a）表示的液晶化合物：例如，R1和R2是具有1至10个碳原子的烷基，具有2至10个碳原子的烯基或具有1至9个碳原子的烷氧基；环A1和环A2是1,4-苯撑基或反-1,4-环己撑基；L1和L2是氢或氟，且至少有一个是氟；Z1和Z2是单键，-(CH2)2-，-CH═CH-，-CH2O-或-OCH2-。
• FOUR- OR FIVE-RING LIQUID CRYSTAL COMPOUND HAVING LATERAL FLUORINE, LIQUID CRYSTAL COMPOSITION, AND LIQUID CRYSTAL DISPLAY DEVICE
  申请人：Kobayashi Masahide

  公开号：US20100309402A1

  公开（公告）日：2010-12-09

  The invention provides a liquid crystal compound having stability to heat, light and so forth, a wide temperature range of a nematic phase, a small viscosity, a suitable optical anisotropy, and a suitable elastic constant K 33 , and further having a suitable and negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds, and a liquid crystal composition having stability to heat, light and so forth, a low viscosity, a large optical anisotropy, a suitable and negative dielectric anisotropy, and a suitable elastic constant K 33 , a low threshold voltage, a high maximum temperature (phase-transition temperature on a nematic phase-isotropic phase) of a nematic phase, and a low minimum temperature of the nematic phase. The liquid crystal compound which has a specific structure having fluorine at a lateral position and also having phenylene in which hydrogen on the benzene ring is replaced by fluorine, and a liquid crystal composition containing the compound are prepared.

  本发明提供了一种液晶化合物，具有耐热、耐光等稳定性，广泛的向列相温度范围，低粘度，适当的光学各向异性和适当的弹性常数K33，进一步具有适当且负的介电各向异性和与其他液晶化合物优异的相容性，以及一种液晶组合物，具有耐热、耐光等稳定性，低粘度，大的光学各向异性，适当且负的介电各向异性，适当的弹性常数K33，低阈值电压，向列相的高最大温度（向列相-等向相相变温度）和低向列相的最低温度。制备了一种具有侧位氟和苯环上氢被氟取代的苯基的特定结构的液晶化合物以及含有该化合物的液晶组合物。
• THREE-RING LIQUID CRYSTAL COMPOUND HAVING LATERAL FLUORINE, LIQUID CRYSTAL COMPOSITION, AND LIQUID CRYSTAL DISPLAY DEVICE
  申请人：Kobayashi Masahide

  公开号：US20110037024A1

  公开（公告）日：2011-02-17

  The invention provides a liquid crystal compound represented by the following formula having stability to heat, light and so forth, a wide temperature range of a nematic phase, a small viscosity, a large optical anisotropy and a suitable elastic constant K 33 (K 33 : bend elastic constant), and further having a suitable and negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds, and provides a liquid crystal composition including the compound, wherein R 1 and R 2 are hydrogen, alkyl or the like, ring A 1 is trans-1,4-cyclohexylene, 1,4-phenylene or the like, L 1 to L 4 are hydrogen or fluorine, and at least three of them are fluorine; when the ring A 1 is trans-1,4-cyclohexylene or the like, Z 1 is a single bond, —(CH 2 ) 2 — or the like, when ring A 1 is 1,4-phenylene, Z 1 is —(CH 2 ) 2 — or the like.

  该发明提供了一种液晶化合物，其由以下公式表示，具有耐热、耐光等稳定性，具有向列相的宽温度范围、小粘度、大光学各向异性和适当的弹性常数K33（K33：弯曲弹性常数），并且具有适当的负电介质各向异性和与其他液晶化合物良好的相容性，并提供了包括该化合物的液晶组合物，其中R1和R2是氢、烷基或类似物，环A1是反式-1,4-环己基、1,4-苯基或类似物，L1到L4是氢或氟，其中至少三个是氟；当环A1为反式-1,4-环己基或类似物时，Z1是单键，-(CH2)2-或类似物，当环A1为1,4-苯基时，Z1是-(CH2)2-或类似物。