5α-Cholestan-3β-ylacetat

• 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: 5α-Cholestan-3β-ylacetat
• 英文别名: Cholesterolacetat；Cholestanyl-acetat；3β-acetoxy-(5α)-cholestane；Cholestanol acetate；[10,13-dimethyl-17-(6-methylheptan-2-yl)-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl] acetate
• 化学式: C₂₉H₅₀O₂
• 分子量: 430.715
• InChiKey: PHLIUSDPFOUISN-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  9.9
• 重原子数：
  31
• 可旋转键数：
  7
• 环数：
  4.0
• sp3杂化的碳原子比例：
  0.97
• 拓扑面积：
  26.3
• 氢给体数：
  0
• 氢受体数：
  2

文献信息

• Compound comprising a fluorine-substituted alkyl group and a liposome contrast medium comprising the compound
  申请人：Takahashi Kazunobu

  公开号：US20080138285A1

  公开（公告）日：2008-06-12

  A steroid ester compound of a terminally-fluorinated alkyl fatty acid, a steroid compound having bis(trifluoromethyl)phenyl group, a phosphatidylserine compound having a terminally-fluorinated alkyl group, a glyceride compound having bis(trifluoromethyl phenyl group, or a glyceride compound having a terminally-fluorinated alkyl group. A vascular lesion can be selectively imaged by using a contrast medium comprising a liposome containing said compound or a salt thereof.

  一种类固醇酯化合物，其包含末端氟化烷基脂肪酸，一种含有双(三氟甲基)苯基的类固醇化合物，一种含有末端氟化烷基的磷脂酰丝氨酸化合物，一种含有双(三氟甲基苯基)的甘油酯化合物，或一种含有末端氟化烷基的甘油酯化合物。通过使用包含该化合物或其盐的脂质体造影剂，可以选择性地成像血管病变。
• POLYMER FOR ALIGNMENT FILMS, AND LIQUID CRYSTAL DISPLAY DEVICE
  申请人：Sharp Kabushiki Kaisha

  公开号：US20150234236A1

  公开（公告）日：2015-08-20

  Provided are: a polymer for alignment films, which enables the production of a liquid crystal display device that is suppressed in image burn-in even if the light irradiation time is reduced; and a liquid crystal display device which is suppressed in image burn-in even if the light irradiation time is reduced. A polymer for alignment films, which has a main chain and a side chain that contains a structure represented by chemical formula —O—C(C 6 H 5 )(CO—C 6 H 5 )—O—; and a liquid crystal display device which comprises a pair of substrates and a liquid crystal layer that is held between the pair of substrates, and wherein at least one of the substrates has an alignment film, on which a polymer layer for controlling the alignment of liquid crystal molecules is formed, and the alignment film is formed using a polymer for alignment films, which has a main chain and a side chain that contains a structure represented by chemical formula —O—C(C 6 H 5 )(CO—C 6 H 5 )—O—.

  提供的是：一种用于定向膜的聚合物，能够制造出抑制图像烧入的液晶显示器设备，即使减少光照时间；以及一种液晶显示器设备，即使减少光照时间也能抑制图像烧入。该聚合物具有主链和侧链，其中侧链含有化学式表示的结构——O—C(C6H5)(CO— )—O—；该液晶显示器设备包括一对基板和夹在两个基板之间的液晶层，其中至少一个基板具有定向膜，该定向膜上形成了用于控制液晶分子定向的聚合物层，该定向膜使用一种用于定向膜的聚合物形成，该聚合物具有主链和侧链，其中侧链含有化学式表示的结构——O—C( )(CO— )—O—。
• Liquid crystal display device
  申请人：SHARP KABUSHIKI KAISHA

  公开号：US10824006B2

  公开（公告）日：2020-11-03

  The present invention provides a liquid crystal display device which includes a reflective electrode, which achieves its low-voltage driving, and which suppresses flickering caused during its driving and image sticking caused by its long-term driving. The liquid crystal display device of the present invention includes: a first substrate provided with a reflective electrode configured to reflect ambient light; a second substrate facing the first substrate; a liquid crystal layer sandwiched between the first substrate and the second substrate and containing a liquid crystal material that contains a liquid crystal compound containing an alkoxy group and has negative anisotropy of dielectric constant; an alignment film provided on at least one of the first substrate and the second substrate on a side facing the liquid crystal layer; and an aromatic polymer that is present between the liquid crystal layer and the alignment film and/or within the alignment film and has a specific structure.

  本发明提供了一种液晶显示装置，该装置包括一个反射电极，可实现低压驱动，并可抑制驱动过程中产生的闪烁和长期驱动造成的图像粘连。本发明的液晶显示装置包括第一基板，带有反射电极，用于反射环境光；第二基板，面向第一基板；液晶层，夹在第一基板和第二基板之间，含有液晶材料，该液晶材料包含含有烷氧基的液晶化合物，并具有负各向异性的介电常数；对准膜，设置在第一基板和第二基板中至少一个面向液晶层的一侧；以及芳香族聚合物，存在于液晶层和对准膜之间和/或对准膜内部，并具有特定结构。
• Liquid crystal display device alignment film, and method for manufacturing the same
  申请人：Samsung Display Co., Ltd.

  公开号：EP2520972B1

  公开（公告）日：2019-09-04
• Liquid crystal alignment agent and liquid crystal alignment film formed therefore and manufacturing method thereof
  申请人：Hsueh Huai-Pin

  公开号：US20090280236A1

  公开（公告）日：2009-11-12

  The present invention provides a free radical polymerizable liquid crystal alignment agent having superior coating ability, a manufacturing method, which comprises the process of coating the liquid crystal alignment agent onto a substrate, and processing the liquid crystal alignment agent with dehydration/ring-closure reaction and free radical polymerization, enables obtaining a liquid crystal alignment film with superior reliability, superior voltage holding ratio and easy control of pretilt angle, and enables the manufacture of a liquid crystal display element provided with a liquid crystal alignment film. The free radical polymerizable liquid crystal alignment agent comprises a molecular compound containing at least 2 polymerizable maleamic acid groups (A), a polymer (B) and an organic solvent (C), in which the polymer (B) comprises at least one kind of polymer obtained from condensation polymerization, which is selected from the groups consisting of polyester, polyesterimide, polyamide-imide acid, polyamide-imide, polyamide acid ester, polyamide and polyimide series polymer.