3-fluoro-4'-propyldeoxybenzoin | 208716-80-7

• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 二苯乙烯类
• 英文名称: 3-fluoro-4'-propyldeoxybenzoin
• 英文别名: 1-(3-fluorophenyl)-2-(4-propylphenyl)ethanone
• CAS: 208716-80-7
• 化学式: C₁₇H₁₇FO
• 分子量: 256.32
• InChiKey: DHCWZIPJQJLTAW-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.6
• 重原子数：
  19
• 可旋转键数：
  5
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.24
• 拓扑面积：
  17.1
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为产物：
  描述：

  、 甲苯 、 、 间溴氟苯 、 、 盐酸 、 4-propylphenylacetyl chloride 在 正庚烷 、 碳酸氢钠 、 水 、 magnesium sulfate 作用下， 以 四氢呋喃 为溶剂， 反应 3.0h， 以to obtain 43.3 g of a crude 3-fluoro-4′-propyldeoxybenzoin的产率得到3-fluoro-4'-propyldeoxybenzoin
  参考文献：
  名称：

  Fluorine-substituted benzene derivative, liquid-crystal composition, and liquid-crystal display element

  摘要：

  提供了具有极高电压保持比的液晶化合物，其仅在温度变化时略有改变，并具有低阈值电压和高&Dgr;n。还提供了含有该液晶化合物的液晶组合物；以及含有液晶组合物的液晶显示装置。液晶化合物由一般式（1）表示，其中R、Y1至Y16、X和Z1至Z3在权利要求1中定义。

  公开号：

  US06210603B1

文献信息

• Fluorine-substituted benzene derivative, liquid-crystal composition, and liquid-crystal display element
  申请人：Chisso Corporation

  公开号：US06210603B1

  公开（公告）日：2001-04-03

  Liquid crystalline compounds are provided which have an extremely high voltage holding ratio, altered only slightly by change of temperature, and which have a low threshold voltage and a high &Dgr;n. Also provided are liquid crystal compositions containing the liquid crystalline compound; and liquid crystal display devices containing the liquid crystal composition. The liquid crystalline compound is expressed by the general formula (1) wherein R, Y1 to Y16, X and Z1 to Z3 are defined in claim 1.

  提供了具有极高电压保持比的液晶化合物，其仅在温度变化时略有改变，并具有低阈值电压和高&Dgr;n。还提供了含有该液晶化合物的液晶组合物；以及含有液晶组合物的液晶显示装置。液晶化合物由一般式（1）表示，其中R、Y1至Y16、X和Z1至Z3在权利要求1中定义。
• FLUORINE-SUBSTITUTED BENZENE DERIVATIVES, LIQUID-CRYSTAL COMPOSITION, AND LIQUID-CRYSTAL DISPLAY ELEMENT
  申请人：CHISSO CORPORATION

  公开号：EP0949231A1

  公开（公告）日：1999-10-13

  Provided are liquid crystalline compounds which have an extremely high voltage holding ratio, are considerably small in its alteration caused by the change of temperature, and have a low threshold voltage and a high Δn; liquid crystal compositions comprising the liquid crystalline compound; and liquid crystal display devices fabricated by using the liquid crystal composition; the liquid crystalline compound is expressed by the general formula (1) wherein R represents an alkyl group having 1 to 20 carbon atoms in which alkyl group any not-adjacent methylene group (-CH2-) may be replaced by oxygen (-O-) atom; Y1 to Y16 independently represent hydrogen atom or fluorine atom, but at least three of them are fluorine atoms, provided that in no case three or more hydrogen atoms of one 1,4-phenylene group are replaced by fluorine atom; X represents a halogen atom or an alkyl group having 1 to 20 carbon atoms in which alkyl group any not-adjacent methylene group may be replaced by oxygen atom, and any hydrogen atom in the alkyl group may be replaced by fluorine atom; Z1, Z2, and Z3 independently represent -(CH2)2-, -(CH2)4-, -CH2O-, -OCH2-, -(CH2)3O-, -O(CH2)3-, or single bond; and any atom which constitutes this compound may be replaced by its isotope; provided that when X = -OCF2CF2H, Z1 = Z3 = single bond, and Z2 = -(CH2)2-, in no case Y6 = Y10 = Y12 = F, and Y1 to Y5 = Y7 to Y9 = Y11 = Y13 to Y16 = H; Y2 = Y10 = Y12 = F, and Y1 = Y3 to Y9 = Y11 = Y13 to Y16 = H; or Y2 = Y4 = Y10 = Y12 = F, and Y1 = Y3 = Y5 to Y9 = Y11 = Y13 to Y16 = H.

  本发明提供了具有极高电压保持率、温度变化对其影响极小、阈值电压低且Δn 高的液晶化合物；包含该液晶化合物的液晶组合物；以及使用该液晶组合物制造的液晶显示设备； 液晶化合物由通式（1）表示 其中 R 代表具有 1 至 20 个碳原子的烷基，在该烷基中，任何不相邻的亚甲基（-CH2-）可被氧原子（-O-）取代；Y1 至 Y16 独立地代表氢原子或氟原子，但其中至少有三个是氟原子，条件是在任何情况下，一个 1，4-亚苯基基团的三个或三个以上氢原子都不能被氟原子取代；X 代表卤素原子或具有 1 至 20 个碳原子的烷基，在该烷基中，任何不相邻的亚甲基可被氧原子取代，烷基中的任何氢原子可被氟原子取代；Z1、Z2 和 Z3 独立地代表-(CH2)2-、-(CH2)4-、-CH2O-、-OCH2-、-(CH2)3O-、-O(CH2)3- 或单键；构成该化合物的任何原子可被其同位素取代；但当 X = -OCF2CF2H、Z1 = Z3 = 单键和 Z2 = -(CH2)2- 时，在任何情况下均不得 Y6 = Y10 = Y12 = F，Y1 至 Y5 = Y7 至 Y9 = Y11 = Y13 至 Y16 = H； Y2 = Y10 = Y12 = F，且 Y1 = Y3 至 Y9 = Y11 = Y13 至 Y16 = H；或 Y2 = Y4 = Y10 = Y12 = F，Y1 = Y3 = Y5 至 Y9 = Y11 = Y13 至 Y16 = H。
• US6210603B1
  申请人：——

  公开号：US6210603B1

  公开（公告）日：2001-04-03