7,8-difluoro-2-propylchroman | 816450-95-0

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 苯并吡喃
• 英文名称: 7,8-difluoro-2-propylchroman
• 英文别名: 7,8-difluoro-2-propyl-3,4-dihydro-2H-chromene
• CAS: 816450-95-0
• 化学式: C₁₂H₁₄F₂O
• 分子量: 212.239
• InChiKey: AGFCDCQVBLOBNV-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.8
• 重原子数：
  15
• 可旋转键数：
  2
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.5
• 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：

  1-(3-hydroxyhexyl)-2,3,4-trifluorobenzene 以 四氢呋喃 、 水 、 N,N-二甲基甲酰胺 、 甲苯 为溶剂， 生成 7,8-difluoro-2-propylchroman
  参考文献：
  名称：

  CHROMAN DERIVATIVE AND LIQUID-CRYSTAL COMPOSITION CONTAINING THE COMPOUND

  摘要：

  公开号：

  EP1640433B1

文献信息

• Chroman compound, liquid crystal composition including the compound and liquid crystal display element including the liquid crystal composition
  申请人：Sugiura Teruyo

  公开号：US20050247910A1

  公开（公告）日：2005-11-10

  The compound (1) according to the invention has general solid-state properties necessary for a compound, stability against heat, light and the like, a suitable optical anisotropy, a suitable dielectric anisotropy, and excellent compatibility with other liquid crystalline compounds. The liquid crystal composition according to the invention contains at least one compound represented by formula (1). The liquid crystal display element according to the invention contains the composition. The compound (1) is represented by formula (1): wherein Ra, Rb, A 1 , A 2 , A 3 , A 4 , A 5 , A 6 , Z 11 , Z 12 , Z 13 , Z 14 , Z 15 , Z 16 , Y 1 , Y 2 , k, l, m, n, p and q are as defined in the specification.

  本发明的化合物（1）具有化合物所需的一般固态性质，对热、光等具有稳定性，具有适当的光学各向异性、适当的介电各向异性，并且与其他液晶化合物具有优异的相容性。本发明的液晶组合物含有至少一种由式（1）表示的化合物。本发明的液晶显示元件含有该组合物。化合物（1）由式（1）表示：其中Ra、Rb、A1、A2、A3、A4、A5、A6、Z11、Z12、Z13、Z14、Z15、Z16、Y1、Y2、k、l、m、n、p和q的定义如说明书所述。
• Chroman dervative and liquid-crystal composition containing the compound
  申请人：Matsumoto Takashi

  公开号：US20060163536A1

  公开（公告）日：2006-07-27

  The present invention relates to a liquid crystal compound which has negative dielectric anisotropy and a large absolute value thereof; and a liquid crystal display element which contains the compound as a constituent element and has a negative value of dielectric anisotropy in the vertical alignment mode, IPS, or the like. The liquid-crystal display element has a structure including a pair of substrates and a liquid crystal sandwiched therebetween, and includes at least an alignment control layer, a transparent electrode, and a polarizing plate, in which the liquid crystal includes at least one compound having a partial structure represented by general formula (A): (wherein W 1 and W 2 each independently represents fluorine, chlorine, —CF 3 , —CF 2 H, —OCF 3 , or —OCF 2 H) and has negative dielectric anistropy.

  本发明涉及一种具有负介电各向异性和大绝对值的液晶化合物；以及包含该化合物作为组分元素并在垂直取向模式、IPS或类似模式下具有负介电各向异性的液晶显示元件。液晶显示元件具有包括一对基板和夹在它们之间的液晶的结构，其中液晶包括至少一种具有通式（A）所表示的部分结构的化合物：（其中W1和W2各自独立地表示氟、氯、—CF3、—CF2H、—OCF3或—OCF2H），并具有负介电各向异性。该液晶显示元件还包括至少一个取向控制层、一个透明电极和一个偏振片。
• Chroman derivative and liquid-crystal composition containing the compound
  申请人：Dainippon Ink and Chemicals, Inc.

  公开号：US07226644B2

  公开（公告）日：2007-06-05

  The present invention relates to a liquid crystal compound which has negative dielectric anisotropy and a large absolute value thereof; and a liquid crystal display element which contains the compound as a constituent element and has a negative value of dielectric anisotropy in the vertical alignment mode, IPS, or the like. The liquid-crystal display element has a structure including a pair of substrates and a liquid crystal sandwiched therebetween, and includes at least an alignment control layer, a transparent electrode, and a polarizing plate, in which the liquid crystal includes at least one compound having a partial structure represented by general formula (A): (wherein W1 and W2 each independently represents fluorine, chlorine, —CF3, —CF2H, —OCF3, or —OCF2H) and has negative dielectric anistropy.

  本发明涉及一种具有负介电各向异性和大的绝对值的液晶化合物；以及一种液晶显示元件，其包含该化合物作为组分之一，并在垂直对准模式、IPS或类似模式下具有负的介电各向异性。该液晶显示元件具有包括一对基板和夹在其中的液晶的结构，并包括至少一个对准控制层、一个透明电极和一个偏振板，在其中液晶包括至少一种具有通式（A）所表示的部分结构的化合物：（式中W1和W2各自独立地表示氟、氯、-CF3、-CF2H、-OCF3或-OCF2H），并具有负的介电各向异性。
• US7226644B2
  申请人：——

  公开号：US7226644B2

  公开（公告）日：2007-06-05
• US7429411B2
  申请人：——

  公开号：US7429411B2

  公开（公告）日：2008-09-30