4-hydroxy-2,3-difluoro-4'-propylbiphenyl | 124728-94-5

• 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: 4-hydroxy-2,3-difluoro-4'-propylbiphenyl
• 英文别名: 4-(4-Propylphenyl)-2,3-difluorophenol；2,3-difluoro-4'-propylbiphenyl-4-ol；2,3-difluoro-4-(4-propylphenyl)phenol
• CAS: 124728-94-5
• 化学式: C₁₅H₁₄F₂O
• 分子量: 248.272
• InChiKey: WOWMGLBNOZSTGI-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.7
• 重原子数：
  18
• 可旋转键数：
  3
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.2
• 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：

  4-hydroxy-2,3-difluoro-4'-propylbiphenyl 、 3,4,5-三氟苄基氯 在 四丁基溴化铵 、 potassium carbonate 作用下， 以 N,N-二甲基甲酰胺 为溶剂， 反应 3.0h， 以81%的产率得到2,3-Difluoro-1-(4-propylphenyl)-4-[(3,4,5-trifluorophenyl)methoxy]benzene
  参考文献：
  名称：

  液晶性化合物、液晶組成物および液晶表示素子

  摘要：

  提供液晶性化合物，其具有对光的高稳定性、高透明度点、低液晶相下限温度、低粘度、适当的光学各向异性、大电介质各向异性、适当的弹性常数、与其他液晶性化合物良好的相容性以及大电介质率等物性中至少满足其中一个的特点。液晶性化合物的例子包括2,3-二氟-4-(3,4,5-三氟苯基)-1-(4-丙基苯基)苯、2,3-二氟-4-(4'-丙基苯基)苯基-3,4,5-三氟苯基醚等。

  公开号：

  JP2016034933A
• 作为产物：
  描述：

  4-溴-2,3-二氟苯酚 、 4-丙基苯硼酸 在 bis-triphenylphosphine-palladium(II) chloride 、 四丁基溴化铵 、 potassium carbonate 、 三苯基膦 作用下， 以 异丙醇 为溶剂， 反应 3.0h， 以84%的产率得到4-hydroxy-2,3-difluoro-4'-propylbiphenyl
  参考文献：
  名称：

  液晶性化合物、液晶組成物および液晶表示素子

  摘要：

  提供液晶性化合物，其具有对光的高稳定性、高透明度点、低液晶相下限温度、低粘度、适当的光学各向异性、大电介质各向异性、适当的弹性常数、与其他液晶性化合物良好的相容性以及大电介质率等物性中至少满足其中一个的特点。液晶性化合物的例子包括2,3-二氟-4-(3,4,5-三氟苯基)-1-(4-丙基苯基)苯、2,3-二氟-4-(4'-丙基苯基)苯基-3,4,5-三氟苯基醚等。

  公开号：

  JP2016034933A

文献信息

• Liquid crystal compound, liquid crystal composition and liquid crystal display device
  申请人：Shimada Teru

  公开号：US08580142B2

  公开（公告）日：2013-11-12

  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，具有对热、光等的稳定性，具有液晶向列相的广泛温度范围，粘度小，适当的光学各向异性，适当的弹性常数K33，适当且负的介电各向异性，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，并具有对热、光等的稳定性，粘度小，适当的光学各向异性，适当且负的介电各向异性，适当的弹性常数K33，低阈值电压，液晶向列相的高最大温度和低最小温度。本发明还提供了一种液晶显示装置，具有短响应时间、小功耗、低驱动电压和大对比度，其中包含上述组合物，可用于广泛的温度范围。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。进一步提供了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 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。
• 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
• DERIVATE DER 2,3-DIFLUORBENZOESÄURE
  申请人：MERCK PATENT GmbH

  公开号：EP0358741A1

  公开（公告）日：1990-03-21