Cholesterylnonanoat | 1182-66-7

• 物质功能分类: 有机原料 - 羧酸类化合物及衍生物 - 羧酸酯及其衍生物
• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 类固醇和类固醇衍生物
• 英文名称: Cholesterylnonanoat
• 英文别名: [(3S,8S,9S,10R,13R,14S)-10,13-dimethyl-17-(6-methylheptan-2-yl)-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl] nonanoate
• CAS: 1182-66-7
• 化学式: C₃₆H₆₂O₂
• 分子量: 526.887
• InChiKey: WCLNGBQPTVENHV-PDTSCMQXSA-N

物化性质

• 熔点：
  74-77 °C (lit.)
• 比旋光度：
  -30 º (c=2, CHCl3 25 ºC)
• 沸点：
  360 °C
• 密度：
  0.9587 (rough estimate)
• LogP：
  14.108 (est)

计算性质

• 辛醇/水分配系数(LogP)：
  12.7
• 重原子数：
  38
• 可旋转键数：
  14
• 环数：
  4.0
• sp3杂化的碳原子比例：
  0.92
• 拓扑面积：
  26.3
• 氢给体数：
  0
• 氢受体数：
  2

安全信息

• TSCA：
  Yes
• 安全说明：
  S24/25
• WGK Germany：
  3
• 海关编码：
  29159000
• 危险品运输编号：
  OTH

文献信息

• FOUR-RING LIQUID CRYSTAL COMPOUND HAVING TETRAHYDROPYRAN AND 2,2',3,3'-TETRAFLUOROBIPHENYL, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE
  申请人：Hirata Kenji

  公开号：US20110297881A1

  公开（公告）日：2011-12-08

  The invention provides a liquid crystal compound that has a large negative dielectric anisotropy (Δ∈) and also has at least one of characteristics such as the stability to heat, light or the like, a high clearing point, a suitable refractive index anisotropy (Δn), a large negative dielectric anisotropy (Δ∈) and an excellent compatibility with other liquid crystal compounds. An excellent effect in which especially the value of the dielectric anisotropy (Δ∈) is increased negatively is achieved by use of the compound having two moieties of 1) a tetrahydropyran ring and and thus the effect is utilized.

  本发明提供了一种液晶化合物，具有较大的负介电各向异性（Δ∈），并且具有至少一种特性，如耐热性、耐光性等稳定性，高清晰点，适当的折射率各向异性（Δn），较大的负介电各向异性（Δ∈）和与其他液晶化合物的良好相容性。通过使用具有1）四氢吡喃环和2）二苯基甲烷基团的化合物，特别是负介电各向异性（Δ∈）值得到提高，从而利用了该效应。
• FOUR- OR FIVE-RING LIQUID CRYSTAL COMPOUND HAVING LATERAL FLUORINE, LIQUID CRYSTAL COMPOSITION, AND LIQUID CRYSTAL DISPLAY DEVICE
  申请人：Kobayashi Masahide

  公开号：US20100309402A1

  公开（公告）日：2010-12-09

  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, and a suitable elastic constant K 33 , and further having a suitable and negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds, and a liquid crystal composition having stability to heat, light and so forth, a low viscosity, a large optical anisotropy, a suitable and negative dielectric anisotropy, and a suitable elastic constant K 33 , a low threshold voltage, a high maximum temperature (phase-transition temperature on a nematic phase-isotropic phase) of a nematic phase, and a low minimum temperature of the nematic phase. The liquid crystal compound which has a specific structure having fluorine at a lateral position and also having phenylene in which hydrogen on the benzene ring is replaced by fluorine, and a liquid crystal composition containing the compound are prepared.

  本发明提供了一种液晶化合物，具有耐热、耐光等稳定性，广泛的向列相温度范围，低粘度，适当的光学各向异性和适当的弹性常数K33，进一步具有适当且负的介电各向异性和与其他液晶化合物优异的相容性，以及一种液晶组合物，具有耐热、耐光等稳定性，低粘度，大的光学各向异性，适当且负的介电各向异性，适当的弹性常数K33，低阈值电压，向列相的高最大温度（向列相-等向相相变温度）和低向列相的最低温度。制备了一种具有侧位氟和苯环上氢被氟取代的苯基的特定结构的液晶化合物以及含有该化合物的液晶组合物。
• LIQUID CRYSTALLINE MEDIUM
  申请人：KLASEN-MEMMER Melanie

  公开号：US20110278502A1

  公开（公告）日：2011-11-17

  The present invention relates to a liquid-crystalline medium based on a mixture of polar compounds having negative dielectric anisotropy (Δ∈), which is distinguished by the fact that it has a value for the ratio γ 1 /Δn 2 in the range 6-45 with a clearing point of >60° C. and a Δ∈ of ≦−2.3. Media of this type are particularly suitable for electro-optical displays having active-matrix addressing based on the ECB, PA LCD, FFS or IPS effect.
• US8187494B2
  申请人：——

  公开号：US8187494B2

  公开（公告）日：2012-05-29
• US8389073B2
  申请人：——

  公开号：US8389073B2

  公开（公告）日：2013-03-05