1,4-bis(4-acetoxybenzoyloxy)-benzene | 79066-38-9

• 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: 1,4-bis(4-acetoxybenzoyloxy)-benzene
• 英文别名: 1,4-Bis(4-acetoxybenzoyloxy)benzene；[4-(4-acetyloxybenzoyl)oxyphenyl] 4-acetyloxybenzoate
• CAS: 79066-38-9
• 化学式: C₂₄H₁₈O₈
• 分子量: 434.402
• InChiKey: LUYZZHQLZOQDOA-UHFFFAOYSA-N

物化性质

• 沸点：
  601.7±50.0 °C(Predicted)
• 密度：
  1.310±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  4.2
• 重原子数：
  32
• 可旋转键数：
  10
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.08
• 拓扑面积：
  105
• 氢给体数：
  0
• 氢受体数：
  8

反应信息

• 作为反应物：
  描述：

  1,4-bis(4-acetoxybenzoyloxy)-benzene 在 potassium hydroxide 作用下， 以 甲醇 为溶剂， 反应 4.0h， 以80%的产率得到1,4-phenylene bis(4-hydroxybenzoate)
  参考文献：
  名称：

  Mulani, Khudbudin B.; Ganjave, Nitin V.; Chavan, Nayaku N., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2014, vol. 53, # 5, p. 591 - 596

  摘要：

  DOI：
• 作为产物：
  描述：

  对羟基苯甲酸 在 吡啶 、 氯化亚砜 、 sodium hydroxide 作用下， 以 水 、 1,2-二氯乙烷 为溶剂， 反应 60.0h， 生成 1,4-bis(4-acetoxybenzoyloxy)-benzene
  参考文献：
  名称：

  Mulani, Khudbudin B.; Ganjave, Nitin V.; Chavan, Nayaku N., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2014, vol. 53, # 5, p. 591 - 596

  摘要：

  DOI：

文献信息

• Thermotropic copolymers of 4,4'-biphenyldicarboxylic acid
  申请人：The Dow Chemical Company

  公开号：US05037938A1

  公开（公告）日：1991-08-06

  The invention relates to a class of polyesters and copolyesters which display optical anisotropy in the molten state and to the shaped articles, fibers and films obtained from the optically anisotropic melts. The copolyesters consisting essentially of recurring structural units (a) independently each occurrence selected from the group consisting essentially of Formula I; recurring structural units (b) independently each occurrence selected from the group consisting of Formulas II and III; recurring structural units (c) independently each occurrence selected from the group consisting of Formula IV and optionally recurring structural units (d) independently each occurrence selected from the group consisting of Formula V: ##STR1## wherein R independently each occurrence is selected from the group consisting of hydrogen, halo, lower alkyl, methoxy and phenyl; R' independently each occurrence is selected from the group consisting of hydrogen, halo, methoxy and phenyl; and R" comprises lower alkyl.

  本发明涉及一类聚酯和共聚酯，其在熔融状态下表现出光学各向异性，并且涉及从光学各向异性熔体中获得的成型件、纤维和薄膜。所述共聚酯主要由重复结构单元(a)、重复结构单元(b)、重复结构单元(c)和可选的重复结构单元(d)组成，其中重复结构单元(a)独立地每次从公式I组成的基团组中选择；重复结构单元(b)独立地每次从公式II和III组成的基团组中选择；重复结构单元(c)独立地每次从公式IV组成的基团组中选择；可选的重复结构单元(d)独立地每次从公式V组成的基团组中选择：##STR1## 其中R独立地每次从氢、卤素、低级烷基、甲氧基和苯基组成的基团组中选择；R'独立地每次从氢、卤素、甲氧基和苯基组成的基团组中选择；R"包括低级烷基。
• Melt processable thermotropic aromatic copolyesters and process for preparing same
  申请人：THE DOW CHEMICAL COMPANY

  公开号：EP0399349A2

  公开（公告）日：1990-11-28

  Disclosed is a copolymer capable of forming an optically anisotropic melt comprising recurring structural units of Formulas I, II III; and IV and optionally V: wherein each R is independently hydrogen, halogen, lower alkyl, methoxy or phenyl; R¹ is loweralkyl; R² is independently hydrogen, halogen, methoxy or phenyl. The present invention also relates to a process for preparing the copolymer. The copolymers of the present invention usually have a low melting point below 350°C and can be readily melt extruded into fibers, films or the like.

  本发明公开了一种可形成光学各向异性熔体的共聚物，该共聚物由式 I、II III、IV 和可选的 V 的重复结构单元组成： 其中每个R独立地是氢、卤素、低级烷基、甲氧基或苯基；R¹是低级烷基；R²独立地是氢、卤素、甲氧基或苯基。本发明还涉及制备共聚物的工艺。本发明的共聚物通常熔点较低，低于 350°C，易于熔融挤压成纤维、薄膜等。
• Hempel, Erika; Lindau, Juergen; Roetz, Uwe, Molecular Crystals and Liquid Crystals (1969-1991), 1990, vol. 193, p. 199 - 204
  作者：Hempel, Erika、Lindau, Juergen、Roetz, Uwe、Fischer, Hartmut、Utschick, Hermann、Kuschel, Frank

  DOI：——

  日期：——
• Liquid crystalline epoxy nanicomposite material and application thereof
  申请人：Su Wei-Fang

  公开号：US20110009521A1

  公开（公告）日：2011-01-13

  The invention provides an epoxy nanocomposite material for dental therapy, which can be applied to direct or indirect clinical restoration, dental core-post system, and dental brace etc. The epoxy nanocomposite filling material provided by the invention can be polymerized with various curing agents to form the polymer with low shrinkage.
• OPTICAL FILM, CIRCULARLY POLARIZING PLATE AND ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE
  申请人：KONICA MINOLTA, INC.

  公开号：US20160070030A1

  公开（公告）日：2016-03-10

  Provided is an optical film containing a cellulose derivative, the optical film having an in-plane retardation Ro 550 within the range of 120 to 160 nm measured at a wavelength of 550 nm under an atmosphere of a temperature of 23° C. and a relative humidity of 55%, and a ratio Ro 450 /Ro 550 within the range of 0.65 to 0.99, Ro 450 /Ro 550 being a ratio of an in-plane retardation Ro 450 measured at a wavelength of 450 nm to the in-plane retardation Ro 550 measured at a wavelength of 550 nm, wherein, a substituent of a glucose skeleton in the cellulose derivative satisfies the requirements (a) and (b) which are described in the specification, and the optical film contains a compound A satisfying the following condition defined by Expression (a1) which is described in the specification.