Phenyl-4-benzoyloxybenzoate | 58607-86-6

• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 缩酚酸和缩酚酸环醚类
• 英文名称: Phenyl-4-benzoyloxybenzoate
• 英文别名: Benzoic acid, 4-(benzoyloxy)-, phenyl ester；phenyl 4-benzoyloxybenzoate
• CAS: 58607-86-6
• 化学式: C₂₀H₁₄O₄
• 分子量: 318.329
• InChiKey: TXPWNLLOFXHCPZ-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  5
• 重原子数：
  24
• 可旋转键数：
  6
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  52.6
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为产物：
  描述：

  对羟基苯甲酸苯酯 、 苯甲酰氯 在 sodium hydroxide 作用下， 以 水 为溶剂， 反应 0.17h， 以94%的产率得到Phenyl-4-benzoyloxybenzoate
  参考文献：
  名称：

  Phase Equilibria in Liquid Crystalline Systems Part I. Synthesis and Liquid Crystalline Properties of Oligomers of the p-Oxybenzoate Series

  摘要：

  AbstractSyntheses of the trimer (n = 3), tetramer (n = 4) and the pentamer (n = 5) of the p‐oxybenzoate series C6H5CO(–OC6H4CO)n‐2‐OC6H5 are reported. Densities and thermal expansion coefficients of the neat liquids were measured and phase transitions in the pure compounds and their binary mixtures were investigated by differential scanning calorimetry (DSC). The nematic‐isotropic transition is directly accessible only in the case of the tetramer (melting point 181°C, nematic‐isotropic transition temperature TNI = 254°); the trimer melts to an isotropic liquid at 136°C and the nematic‐isotropic transition of the pentamer (melting point 224°C) lies above the range of thermal stability. DSC results for the binary mixtures show the coexistence range of the nematic and the isotropic phases to be very small; it is obscured by pre‐ and post‐transition effects. In satisfactory approximation therefore, the binary mixtures can be treated as one‐component systems, and TNI may be identified with the maximum of the DSC peak. Values of TNI thus obtained are linear with respect to composition and may be extrapolated to obtain TNI = 100°C for the pure trimer and 464°C for the pure pentamer. As shown by conformational analysis, all conformers of a given homolog have virtually the same axial ratio. These compounds therefore can be treated as rigid rods.

  DOI：

  10.1002/bbpc.19840880605

文献信息

• LIQUID CRYSTAL DISPLAY DEVICE
  申请人：DIC CORPORATION

  公开号：US20150309361A1

  公开（公告）日：2015-10-29

  There is provided a liquid crystal display apparatus that may limit a reduction in the voltage holding ratio (VHR) of a liquid crystal layer and limit an increase in the ion density (ID) in the liquid crystal layer and address issues of faulty display such as white missing pixels, alignment inconsistencies, and burn-in. Having a feature of limiting a reduction in the VHR of a liquid crystal layer and limiting an increase in an ion density (ID) in the liquid crystal layer and thereby reducing occurrence of faulty display such as burn-in, the liquid crystal display apparatus according to the present invention may be particularly suitably used as a VA-mode or PSVA-mode liquid crystal display apparatus for active-matrix driving and may be used as a liquid crystal display apparatus included in a liquid crystal TV, a monitor, a mobile phone, a smart phone, or the like.

  提供了一种液晶显示装置，可以限制液晶层电压保持比率（VHR）的降低和液晶层中离子密度（ID）的增加，并解决白色漏像、排列不一致和烧屏等故障显示问题。该液晶显示装置具有限制液晶层VHR降低和限制液晶层中离子密度（ID）增加的特点，从而减少烧屏等故障显示的发生。该液晶显示装置特别适用于VA模式或PSVA模式液晶显示装置的有源矩阵驱动，并可用作液晶电视、显示器、手机、智能手机等中的液晶显示装置。
• US3915883A
  申请人：——

  公开号：US3915883A

  公开（公告）日：1975-10-28
• US3960748A
  申请人：——

  公开号：US3960748A

  公开（公告）日：1976-06-01
• US3960752A
  申请人：——

  公开号：US3960752A

  公开（公告）日：1976-06-01
• US3962314A
  申请人：——

  公开号：US3962314A

  公开（公告）日：1976-06-08