4'-chloromethyl-4-ethoxy-2,3-difluoro-biphenyl | 1190955-71-5

• 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'-chloromethyl-4-ethoxy-2,3-difluoro-biphenyl
• 英文别名: 1-[4-(chloromethyl)phenyl]-4-ethoxy-2,3-difluorobenzene
• CAS: 1190955-71-5
• 化学式: C₁₅H₁₃ClF₂O
• 分子量: 282.717
• InChiKey: WYLKKWSQRIPTDL-UHFFFAOYSA-N

物化性质

• 沸点：
  363.1±42.0 °C(Predicted)
• 密度：
  1.222±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  4.5
• 重原子数：
  19
• 可旋转键数：
  4
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.2
• 拓扑面积：
  9.2
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  4-乙氧基-2,3-二氟苯酚 、 4'-chloromethyl-4-ethoxy-2,3-difluoro-biphenyl 在 potassium phosphate 作用下， 以 N,N-二甲基甲酰胺 为溶剂， 反应 7.0h， 以74%的产率得到4-ethoxy-2,3-difluoro-4'-(4-ethoxy-2,3-difluorophenoxymethyl)-1,1'-biphenyl
  参考文献：
  名称：

  TRICYCLIC LIQUID CRYSTALLINE COMPOUND HAVING LATERAL FLUORINE, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE

  摘要：

  公开号：

  EP2266941B1
• 作为产物：
  描述：

  2,3-二氟-4-乙氧基苯硼酸 在 5% Pd(II)/C(eggshell) 吡啶 、 lithium aluminium tetrahydride 、 potassium carbonate 作用下， 以 四氢呋喃 、 乙醇 、 水 、 甲苯 为溶剂， 反应 7.0h， 生成 4'-chloromethyl-4-ethoxy-2,3-difluoro-biphenyl
  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-。
• Three-ring liquid crystal compound having lateral fluorine, liquid crystal composition, and liquid crystal display device
  申请人：JNC Corporation

  公开号：US08216489B2

  公开（公告）日：2012-07-10

  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 K33 (K33: 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 R1 and R2 are hydrogen, alkyl or the like, ring A1 is trans-1,4-cyclohexylene, 1,4-phenylene or the like, L1 to L4 are hydrogen or fluorine, and at least three of them are fluorine; when the ring A1 is trans-1,4-cyclohexylene or the like, Z1 is a single bond, —(CH2)2— or the like, when ring A1 is 1,4-phenylene, Z1 is —(CH2)2— or the like.

  本发明提供了一种液晶化合物，其化学式如下，具有耐热、耐光等稳定性，具有宽广的向列相温度范围、小粘度、大光学各向异性及适当的弯曲弹性常数K33（K33：弯曲弹性常数），并且具有适当的负介电各向异性和与其他液晶化合物的良好相容性，以及提供了包括该化合物的液晶组合物。其中，R1和R2为氢、烷基或类似物，环A1为反式1,4-环己烯基、1,4-苯基或类似物，L1至L4为氢或氟，其中至少三个为氟；当环A1为反式1,4-环己烯基或类似物时，Z1为单键，—（CH2）2—或类似物，当环A1为1,4-苯基时，Z1为—（CH2）2—或类似物。
• LIQUID CRYSTAL COMPOUND, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE
  申请人：Kobayashi Masahide

  公开号：US20120018672A1

  公开（公告）日：2012-01-26

  The invention provides a liquid crystal compound having a high stability to heat, light or the like, a wide temperature range of a nematic phase, a small viscosity, a large optical anisotropy and a suitable elastic constant K 33 , and further having a suitable negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds. The invention also provides a liquid crystal composition including 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, Ra and Rb are alkyl having 1 to 10 carbons, alkenyl having 2 to 10 carbons or alkoxy having 1 to 9 carbons; the ring A 1 and the ring A 2 are 1,4-phenylene or trans-1,4-cyclohexylene; L 1 , L 2 , L 3 and L 4 are hydrogen or fluorine, and at least three of them are fluorine; and Z 1 and Z 2 are a single bond, —(CH 2 ) 2 —, —CH═CH—, —CH 2 O— or —OCH 2 —.

  该发明提供了一种液晶化合物，具有高稳定性，能够抵抗热、光等因素的影响，具有广泛的向列相温度范围、小的粘度、大的光学各向异性和适当的弹性常数K33，进一步具有适当的负介电各向异性和与其他液晶化合物的良好兼容性。该发明还提供了一种包括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器件。 液晶化合物由式（a）表示： 例如，Ra和Rb是具有1到10个碳原子的烷基，具有2到10个碳原子的烯基或具有1到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、L2、L3和L4是氢或氟，其中至少有三个是氟；Z1和Z2是单键，—(CH2)2—、—CH═CH—、—CH2O—或—OCH2—。
• 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。
• Liquid-crystalline medium and liquid-crystal display comprising the same
  申请人：MERCK PATENT GMBH

  公开号：US10883047B2

  公开（公告）日：2021-01-05

  The invention relates to a liquid-crystalline medium, preferably having a nematic phase and dielectric anisotropy of 0.5 or more, which comprises one or more compounds of formula Y in which the parameters have the meanings given in the text, to the use thereof in an electro-optical display, particularly in an active-matrix display based on the IPS or FFS effect, to displays of this type which contain a liquid-crystalline medium of this type, and to the use of the compounds of formula Y for the improvement of the transmission and/or response times of a liquid-crystalline medium which comprises one or more additional mesogenic compounds.

  本发明涉及一种液晶介质，该介质最好具有向列相，介电各向异性为 0.5 或更高，其中包含一种或多种式 Y 的化合物。 式中的参数具有文中给出的含义、 将其用于光电显示器，特别是基于 IPS 或 FFS 效应的有源矩阵显示器，用于包含此类液晶介质的此类显示器，以及将式 Y 化合物用于改善包含一种或多种额外介源化合物的液晶介质的透射率和/或响应时间。