2,3-difluoro-4-(4-pentylcyclohexyl)phenol

• 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-(4-pentylcyclohexyl)phenol
• 化学式: C₁₇H₂₄F₂O
• 分子量: 282.374
• InChiKey: DLFWFGUETBYQSM-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  6.7
• 重原子数：
  20
• 可旋转键数：
  5
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.65
• 拓扑面积：
  20.2
• 氢给体数：
  1
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  2,3-difluoro-4-(4-pentylcyclohexyl)phenol 在 四溴化碳 、 sodium hydride 、 potassium carbonate 、 三苯基膦 作用下， 以 四氢呋喃 、 二氯甲烷 、 丁酮 为溶剂， 反应 0.75h， 生成 1-[(2R)-3-diethoxyphosphoryl-2-methylpropoxy]-2,3-difluoro-4-(4-pentylcyclohexyl)benzene
  参考文献：
  名称：

  US2023/10658

  摘要：

  公开号：
• 作为产物：
  描述：

  1,2-二氟苯 在 5% Pd(II)/C(eggshell) 氢气 、 双氧水 、 仲丁基锂 、 对甲苯磺酸 、 溶剂黄146 作用下， 以 四氢呋喃 、 正己烷 、 环己烷 、 SOlmix A₁₁ 、 水 、 甲苯 为溶剂， 反应 24.0h， 生成 2,3-difluoro-4-(4-pentylcyclohexyl)phenol
  参考文献：
  名称：

  TETRACYCLIC LIQUID CRYSTALLINE COMPOUND HAVING LATERAL FLUORINE, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY ELEMENT

  摘要：

  公开号：

  EP2305627B1

文献信息

• 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-。
• LIQUID CRYSTAL COMPOUND, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE
  申请人：Shimada Teru

  公开号：US20100328600A1

  公开（公告）日：2010-12-30

  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, a suitable elastic constant K 33 , a suitable and negative dielectric anisotropy, and an excellent compatibility with other liquid crystal compounds. The invention provides a liquid crystal composition containing the compound described above and having stability to heat, light and so forth, a small viscosity, a suitable optical anisotropy, a suitable and negative dielectric anisotropy, a suitable elastic constant K 33 , a low threshold voltage, a high maximum temperature of a nematic phase, and a low minimum temperature of the nematic phase. The invention also provides a liquid crystal display device having a short response time, a small power consumption, a low driving voltage, and a large contrast, and containing the composition described above which can be used in a large temperature range. For example, a liquid crystal compound having four or more rings in which the central ring has 2,3-difluorophenoxy such as trans-4′-[2,3-difluoro-4-(trans-4-propylcyclohexyl)phenoxymethyl]-trans-4-pentylbicyclohexyl is provided. Further provided is a liquid crystal composition containing the compound, and a liquid crystal display device using this liquid crystal composition.

  本发明提供了一种液晶化合物，具有耐热、耐光等稳定性，具有广泛的向列相温度范围，粘度小，适当的光学各向异性，适当的弹性常数K33，适当的负介电各向异性，并且与其他液晶化合物具有良好的相容性。本发明还提供了一种液晶组合物，包含上述化合物，并具有耐热、耐光等稳定性，粘度小，适当的光学各向异性，适当的负介电各向异性，适当的弹性常数K33，低阈值电压，向列相的最高温度高，向列相的最低温度低。本发明还提供了一种液晶显示装置，具有短的响应时间，小的功耗，低的驱动电压和大的对比度，并包含上述组合物，可在广泛的温度范围内使用。例如，提供了一种具有四个或更多环的液晶化合物，其中中心环具有2,3-二氟苯氧基，例如trans-4'-[2,3-二氟-4-(trans-4-丙基环己基)苯氧甲基]-trans-4-戊基双环己烷。还提供了一种含有该化合物的液晶组合物和使用该液晶组合物的液晶显示装置。
• LIQUID CRYSTALLINE COMPOUND, LIQUID CRYSTAL COMPOSITION, AND LIQUID CRYSTAL DISPLAY ELEMENT
  申请人：Chisso Corporation

  公开号：EP2199270A1

  公开（公告）日：2010-06-23

  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, a suitable elastic constant K33, a suitable and negative dielectric anisotropy, and an excellent compatibility with other liquid crystal compounds. The invention provides a liquid crystal composition containing the compound described above and having stability to heat, light and so forth, a small viscosity, a suitable optical anisotropy, a suitable and negative dielectric anisotropy, a suitable elastic constant K33, a low threshold voltage, a high maximum temperature of a nematic phase, and a low minimum temperature of the nematic phase. The invention also provides a liquid crystal display device having a short response time, a small power consumption, a low driving voltage, and a large contrast, and containing the composition described above which can be used in a large temperature range. For example, a liquid crystal compound having four or more rings in which the central ring has 2,3-difluorophenoxy such as trans-4'-[2,3-difluoro-4-(trans-4-propylcyclohexyl)phenoxymethyl]-trans-4-pentylbicyclohexyl is provided. Further provided is a liquid crystal composition containing the compound, and a liquid crystal display device using this liquid crystal composition.

  本发明提供了一种液晶化合物，它具有对热、光等的稳定性，向列相温度范围宽， 粘度小，适当的光学各向异性，适当的弹性常数 K33，适当的负介电各向异性，以及与 其他液晶化合物的良好兼容性。本发明提供了一种含有上述化合物的液晶组合物，该组合物具有对热、光等的稳定性、较小的粘度、适当的光学各向异性、适当的负介电各向异性、适当的弹性常数 K33、较低的阈值电压、向列相的最高温度较高以及向列相的最低温度较低。 本发明还提供了一种液晶显示装置，其响应时间短、功耗小、驱动电压低、对比度大，且含有上述成分，可在较大温度范围内使用。 例如，提供了一种具有四个或四个以上环的液晶化合物，其中中心环具有 2,3-二氟苯氧基，例如反式-4'-[2,3-二氟-4-（反式-4-丙基环己基）苯氧基甲基]-反式-4-戊基二环己基。此外，还提供了一种含有该化合物的液晶组合物，以及一种使用该液晶组合物的液晶显示设备。
• Electronic switching element
  申请人：MERCK PATENT GMBH

  公开号：US11063227B2

  公开（公告）日：2021-07-13

  An electronic switching element is described having, in sequence, a first electrode, a molecular layer bonded to a substrate, and a second electrode. The molecular layer contains compounds of formula I, R1-(A1-Z1)r—B1—(Z2-A2)s-Sp-G, wherein A1, A2, B1, Z1, Z2, Sp, G, r, and s are as defined herein, in which a mesogenic radical is bonded to the substrate via a spacer group, Sp, by means of an anchor group, G. The switching element is suitable for production of components that can operate as a memristive device for digital information storage.

  描述了一种电子开关元件，它依次具有第一电极、粘接在基板上的分子层和第二电极。分子层包含式 I、R1-(A1-Z1)r-B1-(Z2-A2)s-Sp-G 的化合物，其中 A1、A2、B1、Z1、Z2、Sp、G、r 和 s 如本文所定义，其中介基通过间隔基 Sp 和锚基 G 键合到基底上。
• LIQUID CRYSTALLINE COMPOUND, LIQUID CRYSTAL COMPOSITION, AND LIQUID CRYSTAL DISPLAY DEVICE
  申请人：JNC Corporation

  公开号：EP2199270B1

  公开（公告）日：2016-05-25