1-Ethoxy-2,3-difluoro-4-(4-heptylcyclohexyl)benzene | 189750-97-8

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯酚醚
• 英文名称: 1-Ethoxy-2,3-difluoro-4-(4-heptylcyclohexyl)benzene
• CAS: 189750-97-8
• 化学式: C₂₁H₃₂F₂O
• 分子量: 338.5
• InChiKey: LRBFDODMUUKKDH-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  8.5
• 重原子数：
  24
• 可旋转键数：
  9
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.71
• 拓扑面积：
  9.2
• 氢给体数：
  0
• 氢受体数：
  3

文献信息

• Liquid crystal composition and liquid crystal display element comprising the same
  申请人：SHIN-ETSU CHEMICAL CO., LTD.

  公开号：EP0768361A1

  公开（公告）日：1997-04-16

  The invention presents an excellent liquid crystal display composition possessing a negative dielectric anisotropy, comprising one or more compounds selected from the group consisting of formulas I, II, III, IV and V, where R1 is alkyl, alkoxyalkyl, mono- or difluoroalkyl, or alkenyl, with each group having 2 to 7 carbon atoms; h, i, j, and k denote 0 or 1 with proviso that i+j=1; m is 0, 1 or 2; a six-membered ring expressed by A, B, or C respectively represents any one of trans-1-sila-1,4-cyclohexylene, trans-4-sila-1,4-cyclohexylene, or trans-1,4-cyclohexylene group; L represents F; and L1 and L2 represent H or F; n is 0, 1 or 2; and R2 is H, R1 or OR1, in which at least one compound thereof contains trans-1-sila-1,4-cyclohexylene group or trans-4-sila-1,4-cyclohexylene group.

  本发明提出了一种具有负电介电各向异性的优异液晶显示器组合物，该组合物由一种或多种选自式 I、II、III、IV 和 V 组的化合物组成、 其中，R1 是烷基、烷氧基烷基、单或二氟烷基或烯基，每个基团具有 2 至 7 个碳原子；h、i、j 和 k 表示 0 或 1，但 i+j=1 ；m 是 0、1 或 2；分别由 A、B 或 C 表示的六元环代表反式-1-硅杂-1,4-环己烯、反式-4-硅杂-1,4-环己烯或反式-1,4-环己烯基团中的任一个；L代表F；L1和L2代表H或F；n为0、1或2；R2为H、R1或OR1，其中至少一种化合物含有反式-1-西拉-1,4-环己烯基团或反式-4-西拉-1,4-环己烯基团。
• DIFLUORBENZOLDERIVATE
  申请人：MERCK PATENT GmbH

  公开号：EP0364538B1

  公开（公告）日：1992-05-06
• US5279764A
  申请人：——

  公开号：US5279764A

  公开（公告）日：1994-01-18
• US5980778A
  申请人：——

  公开号：US5980778A

  公开（公告）日：1999-11-09
• [EN] LIQUID-CRYSTALLINE MEDIUM AND LIQUID-CRYSTAL DISPLAY COMPRISING THE SAME<br/>[FR] MILIEU A CRISTAUX LIQUIDES ET AFFICHAGE A CRISTAUX LIQUIDES COMPORTANT UN TEL MILIEU
  申请人：MERCK PATENT GMBH

  公开号：WO2016020033A1

  公开（公告）日：2016-02-11

  The invention relates to a liquid-crystalline medium, preferably having a nematic phase and negative dielectric anisotropy, which comprises a) one or more compounds of formula (I) b) one or more compounds selected from the group of compounds of the formulae (II) and (III) in which the parameters have the respective meanings indicated in Claim 1, to the use thereof in an electro-optical display, particularly in an active- matrix display based on the VA, ECB, PALC, 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 I for reduction of the dispersion of the birefringence of a liquid-crystalline medium which comprises one or more compounds of the formulae (II) and/or (III).