1,3-bis-(4-methylphenoxy)benzene | 13131-51-6

• 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: 1,3-bis-(4-methylphenoxy)benzene
• 英文别名: 1,3-Bis-(4-methyl-phenoxy)-benzol；m-Bis-(p-methylphenoxy)benzol；1,3-Bis(4-methylphenoxy)benzene
• CAS: 13131-51-6
• 化学式: C₂₀H₁₈O₂
• 分子量: 290.362
• InChiKey: LNKZBMIHRCNPID-UHFFFAOYSA-N

物化性质

• 沸点：
  400.9±33.0 °C(Predicted)
• 密度：
  1.103±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  5.7
• 重原子数：
  22
• 可旋转键数：
  4
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.1
• 拓扑面积：
  18.5
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为产物：
  描述：

  1,3-bis((η6-4-methylphenoxy-η5-cyclopentadienyl)iron)benzene hexafluorophosphate 以 二氯甲烷 、 乙腈 为溶剂， 以88%的产率得到1,3-bis-(4-methylphenoxy)benzene
  参考文献：
  名称：

  双（环戊二烯基铁）芳烃配合物：合成和官能化聚芳醚的新途径

  摘要：

  A new development in the chemistry of arenes activated toward S(N)Ar reactions by the cyclopentadienyliron (FeCp+) moiety is presented in this work. A class of diiron complexes of diphenoxybenzenes was prepared in a highly efficient and very mild fashion. Dihydroxyaromatic compounds served as dinucleophiles, allowing for the formation of the diiron complexes. This could be achieved in either a one or two step procedure. A wide variety of dinucleophiles were incorporated into this study, as well as a number of FeCp+ activated arenes. It is shown that these reactions are not inhibited by bulky substituents on either the dinucleophiles or activated arenes. The diiron complexes themselves could also undergo S(N)Ar reactions, provided that the complexed arenes contained a chlorine substituent. This allowed for the functionalization of the complexes with species that could not be introduced directly in their syntheses. The carbon nucleophiles generated from ethyl cyanoacetate or (phenylsulfonyl)acetonitrile could be attached to the complexed ethers in this manner. The FeCp+ moieties were removed easily by photolytic demetalation which allowed for the recovery of a wide range of functionalized diphenoxybenzenes. This methodology is advantageous over all those previously reported and should be a practical route to the synthesis of aromatic ethers.

  DOI：

  10.1021/om00013a055

文献信息

• BASE GENERATOR
  申请人：Eternal Chemical Co., Ltd.

  公开号：US20130172569A1

  公开（公告）日：2013-07-04

  The present invention provides a base generator having the structure of formula (1): wherein R 1 , R 2 , R 3 , R 4 , R 5 , and Y circle around (−)} are defined as in the specification. The base generator of the present invention can be used for imidization of a polyimide precursor, promoting crosslinking of epoxy monomers, or crosslinking of polyurethane or polyurea.

  本发明提供了一种具有公式（1）结构的碱发生器： 其中R1、R2、R3、R4、R5和Ycircle around (−)}如说明书中所定义。本发明的碱发生器可用于聚酰亚胺前体的酰亚胺化，促进环氧单体交联，或聚氨酯或聚脲的交联。
• Compound having oxadiazole structure and a dehydration-cyclization method for producing the same
  申请人：MORIYAMA Hideki

  公开号：US20090182171A1

  公开（公告）日：2009-07-16

  A compound having an oxadiazole structure which is obtained by dehydration-cyclization of a compound having a carbohydrazide structure using a chemical agent selected from acids and bases. The dehydration-cyclization of the compound having a carbohydrazide structure can be conducted under mild conditions at low cost.

  一种具有氧代唑结构的化合物，通过使用选自酸和碱的化学试剂，通过脱水-环化反应从具有羰基肼结构的化合物获得。具有羰基肼结构的化合物的脱水-环化反应可以在低成本的温和条件下进行。
• POLYIMIDE AND LIQUID CRYSTAL ALIGNMENT FILM THEREOF
  申请人：Chern Yaw-Terng

  公开号：US20080269458A1

  公开（公告）日：2008-10-30

  The present invention provides a polyimide having the formula (II) formed by reacting a dianhydride with the diamine having the formula (I). The polyimide provided by the present invention serves as a material for preparing the liquid crystal aligning film, wherein the liquid crystal aligning film could achieve the pre-tilt angle of 88-90° by containing only less than 5% of the diamine having the formula (I), which could highly lower down the manufacturing cost.

  本发明提供了一种聚酰亚胺，其由二酸酐与具有式(I)的二胺反应形成，所提供的聚酰亚胺用作制备液晶定向膜的材料，其中仅含少于5％的具有式(I)的二胺即可实现预倾角为88-90°的液晶定向膜，这可以大大降低制造成本。
• HYGROMORPHIC POLYMERS AND COPOLYMERS HAVING HUMIDITY-DRIVEN MOTILITY
  申请人：Government of the United States, as represented by the Secretary of the Air Force

  公开号：US20170260334A1

  公开（公告）日：2017-09-14

  New diamine monomers bearing sulfone terminated pendant groups, as well as methods for making the same, are provided. The diamine monomers are useful toward making polyamide, polyimide, and poly(amide-imide) polymers and copolymers, which possess hygromorphic properties and demonstrate humidity driven motility.

  提供了带有磺酸终端偏基团的新二胺单体及其制备方法。这些二胺单体可用于制备具有湿敏性能和表现出湿度驱动运动的聚酰胺、聚酰亚胺和聚（酰胺-亚胺）聚合物和共聚物。
• OPTICAL FILM, POLARIZATION PLATE AND LIQUID CRYSTAL DISPALY
  申请人：Sekiguchi Masayuki

  公开号：US20090231518A1

  公开（公告）日：2009-09-17

  [Problems] To provide an optical film for a liquid crystal display, in which a wide range of a retardation of transmitted light can be controlled in manufacturing and good viewing angle compensation effects on such as preventing light leakage or color dropout (coloring) in true black display and achieving a high contrast in all directions can be obtained when used in liquid crystal display. [Means for Solving Problems] The optical film of the invention includes a film (a) layer made of a cyclic olefin resin and a film (b) layer made of a polyimide resin or a polyetherimide resin, wherein following formulae (1) and (2) are preferably satisfied: (1) 200 nm≦Rth≦1,000 nm and (2) 0≦R550≦200 nm, wherein Rth and R550 represent the retardation in the direction of film thickness and the in-plane retardation of the film, respectively, at wavelength of 550 nm.

  [问题] 提供一种适用于液晶显示器的光学膜，可以在制造过程中控制传输光的广泛延迟范围，并在真正的黑色显示中实现良好的视角补偿效果，例如防止光泄漏或颜色丢失（着色），并在所有方向上实现高对比度。 [解决问题的方法] 本发明的光学膜包括由环烯烃树脂制成的膜（a）层和由聚酰亚胺树脂或聚醚酰亚胺树脂制成的膜（b）层，其中以下公式（1）和（2）最好满足：（1）200 nm≦Rth≦1,000 nm和（2）0≦R550≦200 nm，其中Rth和R550分别表示在550 nm波长下膜的厚度方向延迟和面内延迟。