4'-n-heptyl-4-hydroxybiphenyl | 82832-74-4

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: 4'-n-heptyl-4-hydroxybiphenyl
• 英文别名: 4'-heptyl-4-hydroxy-biphenyl；4-(4'-Heptylphenyl)phenol；4-(4-heptylphenyl)phenol
• CAS: 82832-74-4
• 化学式: C₁₉H₂₄O
• 分子量: 268.399
• InChiKey: HYPNZQFOWDHNIS-UHFFFAOYSA-N

物化性质

• 沸点：
  400.4±24.0 °C(Predicted)
• 密度：
  0.999±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  6.4
• 重原子数：
  20
• 可旋转键数：
  7
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.37
• 拓扑面积：
  20.2
• 氢给体数：
  1
• 氢受体数：
  1

安全信息

• 海关编码：
  2907199090

反应信息

• 作为反应物：
  描述：

  1-溴-4,4,4-三氟丁烷 、 4'-n-heptyl-4-hydroxybiphenyl 生成 4-(4,4,4-Trifluorobutoxy)-4'-heptylbiphenyl
  参考文献：
  名称：

  Nematic Liquid Crystals with a Trifluoromethyl Group

  摘要：

  We have synthesised a new class of compounds incorporating a trifluoromethyl group in the terminal alkoxy or alkenyloxy chain. Compounds containing several aromatic rings were synthesised with a view to producing compounds of high birefringence. This also included the synthesis of compounds containing a carbon-carbon triple bond. Compounds with three 1,4-disubstituted rings were synthesised in order to produce materials with a high nematic clearing point and as low a melting point as possible. Laterally fluoro-substituted compounds were prepared to generate a high positive value of the dielectric anisotropy, a low melting point and no smectic mesophases. Substances containing a cyclohexyl ring, which tend to induce a lower viscosity and compounds incorporating a bicyclo[2.2.2]octane ring were also synthesised in order to produce a high nematic clearing point and to influence the elastic constants. The (E)-trifluorobut-2-enyloxy-compounds were prepared in attempts to produce compounds with appropriate elastic constants and a high birefringence.

  DOI：

  10.1080/10587250108025060
• 作为产物：
  描述：

  p-Heptyl-p'-acetoxybiphenyl 在 水 作用下， 以90%的产率得到4'-n-heptyl-4-hydroxybiphenyl
  参考文献：
  名称：

  Syntheses and thermal properties of new liquid crystals bearing a crown ether ring: cation binding in the nematic phase

  摘要：

  DOI：

  10.1021/jo00289a028

文献信息

• ISOCYANATE PRODUCTION PROCESS
  申请人：Shinohata Masaaki

  公开号：US20110092731A1

  公开（公告）日：2011-04-21

  An object of the present invention is to provide a process that enables isocyanate to be produced stably over a long period of time and at high yield without encountering problems of the prior art during production of isocyanate without using phosgene. The present invention discloses a process for producing an isocyanate by subjecting a carbamic acid ester to a thermal decomposition reaction, including the steps of: recovering a low boiling point component in a form of a gaseous phase component from a thermal decomposition reaction vessel in which the thermal decomposition reaction is carried out; recovering a liquid phase component containing a carbamic acid ester from a bottom of the thermal decomposition reaction vessel; and supplying all or a portion of the liquid phase component to an upper portion of the thermal decomposition reaction vessel.

  本发明的一个目的是提供一种能够在长时间内稳定地高产且不使用光气的情况下生产异氰酸酯的方法，而不会遇到先前生产异氰酸酯时的问题。本发明公开了一种通过将氨基甲酸酯经受热分解反应来生产异氰酸酯的方法，包括以下步骤：从进行热分解反应的反应釜中回收形成气相组分的低沸点组分；从热分解反应釜底部回收含有氨基甲酸酯的液相组分；并将全部或部分液相组分供给至热分解反应釜的上部。
• PROCESS FOR PRODUCING ISOCYANATES USING DIARYL CARBONATE
  申请人：Shinohata Masaaki

  公开号：US20110054211A1

  公开（公告）日：2011-03-03

  An object of the present invention is to provide a process that enables isocyanate to be produced stably over a long period of time and at high yield without encountering problems of the prior art during production of isocyanate without using phosgene. The present invention provides an isocyanate production process including the steps of: obtaining a reaction mixture containing an aryl carbamate having an aryl group originating in a diaryl carbonate, an aromatic hydroxy compound originating in a diaryl carbonate, and a diaryl carbonate, by reacting a diaryl carbonate and an amine compound in the presence of a reaction solvent in the form of an aromatic hydroxy compound; transferring the reaction mixture to a thermal decomposition reaction vessel; and obtaining isocyanate by applying the aryl carbamate to a thermal decomposition reaction, wherein the reaction vessel in which the reaction between the diaryl carbonate and the amine compound is carried out and the thermal decomposition reaction vessel for the aryl carbamate are different.

  本发明的一个目的是提供一种能够在生产异氰酸酯时在长时间内稳定地且高产率地生产异氰酸酯的方法，而不使用光气时遇到先前技术问题的方法。本发明提供了一种异氰酸酯生产方法，包括以下步骤：通过在反应溶剂形式的芳香羟基化合物存在下，通过反应二芳基碳酸酯和胺化合物得到含有源自二芳基碳酸酯的芳基碳酸酯、源自二芳基碳酸酯的芳香羟基化合物和二芳基碳酸酯的反应混合物；将反应混合物转移至热分解反应容器；通过将芳基碳酸酯应用于热分解反应来获得异氰酸酯，其中进行二芳基碳酸酯和胺化合物之间的反应的反应容器和用于芳基碳酸酯的热分解反应的反应容器是不同的。
• Nematic liquid crystal compounds containing a benzocrown ether unit
  作者：Gong-Xin He、Fumio Wada、Kiyoshi Kikukawa、Tsutomu Matsuda

  DOI：10.1039/c39870001294

  日期：——

  Benzocrown ethers carrying a para-substituted biphenyl group, (1a–c and 2a,b), display a nematic liquid crystal phase; selective complexation with picrates in the liquid crystal phase was observed by doping experiments.

  带有对位取代联苯基（1a – c和2a，b）的苯并冠醚显示出向列型液晶相。通过掺杂实验观察到在液晶相中与苦味酸盐的选择性络合。
• Liquid-crystalline halogenobenzene derivatives
  申请人：Chisso Corporation

  公开号：US04405488A1

  公开（公告）日：1983-09-20

  New liquid crystal compounds having a low viscosity and nevertheless having a high transparent point and a broad nematic temperature range, and liquid crystal compositions containing the same are provided. The compounds are liquid-crystalline halogenobenzene derivatives expressed by the general formula ##STR1## wherein R represents an alkyl group having 1 to 10 carbon atoms; ##STR2## and X and Y each are H, F or Cl, at least one of X and Y being F or Cl.

  提供具有低粘度、高透明点和广泛向列相温度范围的新液晶化合物和含有这些化合物的液晶组合物。这些化合物是液晶卤代苯衍生物，其通式为##STR1##其中R代表具有1到10个碳原子的烷基；##STR2##X和Y分别为H、F或Cl，其中至少一个为F或Cl。
• CHIRAL COMPOUNDS
  申请人：——

  公开号：US20020005505A1

  公开（公告）日：2002-01-17

  The invention relates to chiral compounds of formula I 1 wherein R 1 , R 2 , X, Y 1 and Y 2 have the meanings defined herein, as well as to liquid crystalline mixtures comprising at least one chiral compound of formula I. The invention also relates to chiral linear or crosslinked liquid crystalline polymers obtainable by polymerizing a polymerizable mixture comprising at least one chiral compound of formula I, and to the use of chiral compounds of formula I and mixtures and polymers obtained thereof in liquid crystal displays, such as STN, TN, AMD-TN, temperature compensation, guest-host, phase change or surface stabilized or polymer stabilized cholesteric texture (SSCT, PSCT) displays, in active and passive optical elements like polarizers, compensators, alignment layers, color filters or holographic elements in adhesives, synthetic resins with anisotropic mechanical properties, cosmetics, diagnostics, liquid crystal pigments, for decorative and security applications, in nonlinear optics, optical information storage or as chiral dopants, and to a liquid crystal display comprising a mixture comprising at least one chiral compound of formula I.

  该发明涉及式I1的手性化合物，其中R1，R2，X，Y1和Y2具有所定义的含义，以及至少包含式I的手性化合物的液晶混合物。该发明还涉及通过聚合包含至少一种式I的手性化合物的聚合物可获得手性线性或交联液晶聚合物，以及在液晶显示器（如STN，TN，AMD-TN，温度补偿，客体-主体，相变或表面稳定或聚合稳定胆甾质纹理（SSCT，PSCT）显示器）中使用式I的手性化合物和由此获得的混合物和聚合物，在活性和被动光学元件中，如偏振器、补偿器、定向层、彩色滤光片或全息元件中的粘合剂、具有各向异性机械性能的合成树脂、化妆品、诊断、液晶颜料，用于装饰和安全应用，非线性光学，光学信息存储或作为手性掺杂剂，并涉及包含至少一种式I的手性化合物的混合物的液晶显示器。