| 1607444-11-0

• 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
• CAS: 1607444-11-0
• 化学式: C₄₉H₆₁NO₈
• 分子量: 792.025
• InChiKey: RHIYCGFGAHIDKC-RRISWFQFSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  11.48
• 重原子数：
  58.0
• 可旋转键数：
  25.0
• 环数：
  6.0
• sp3杂化的碳原子比例：
  0.51
• 拓扑面积：
  108.44
• 氢给体数：
  0.0
• 氢受体数：
  8.0

反应信息

• 作为产物：
  描述：

  (1R,2R,6S,7S)-4-oxa-tricyclo[5.2.1.0^2,6]dec-8-ene-3,5-dione 在 4-二甲氨基吡啶 、 溶剂黄146 、 N,N'-二环己基碳二亚胺 作用下， 以 二氯甲烷 为溶剂， 反应 24.0h， 生成
  参考文献：
  名称：

  介晶包覆液晶类嵌段共聚物：合成和自组装以制备一维 PC 薄膜

  摘要：

  一维光子晶体 (1D PC) 在光控、传感器和功能显示器方面显示出巨大的应用潜力。嵌段共聚物的自组装是制备大面积一维 PC 的简便方法，易于加工。然而，由于聚合物的低折射率和非常高分子量的链缠结，很难通过线性嵌段共聚物的自组装来制备一维PC。在这项工作中，设计并合成了带有两种不同腰椎连接的对苯二甲酸苯二甲酸酯衍生物和聚降冰片烯骨架的液晶包覆液晶，如嵌段共聚物。液晶对苯二甲酸苯二甲酸酯衍生物的大空间位阻使聚合物骨架延伸为刚性，所得嵌段共聚物迅速自组装成具有大畴间距的层状结构。通过选择对苯二甲酸苯二甲酸酯衍生物的苯基和癸基取代基团来区分这两个嵌段的折射率。因此，一维 PC 是通过自组装像嵌段共聚物这样的介晶包覆液晶来制备的。通过将嵌段共聚物的聚合度从400逐渐增加到1400，最大反射率范围从紫外到近红外。层状结构的特征在于横截面扫描电子显微镜和小角度X射线散射。介晶包覆液晶类嵌段共聚物因其易于合成和灵活的结构设计而在一维

  DOI：

  10.1016/j.reactfunctpolym.2022.105452

文献信息

• Mesogen-Jacketed Liquid Crystalline Polymers with a Polynorbornene Main Chain: Green Synthesis and Phase Behaviors
  作者：Yu-Feng Zhu、Zhen-Yu Zhang、Qi-Kai Zhang、Ping-Ping Hou、De-Zhao Hao、Yang-Yang Qiao、Zhihao Shen、Xing-He Fan、Qi-Feng Zhou

  DOI：10.1021/ma500606e

  日期：2014.5.13

  We synthesized a new series of MJLCPs with a polynorbornene main chain, PNbnPT (n = 8, 10, 12, 14, 16, 18, which is the number of carbons in the side-chain alkyl tails), through ring-opening metathesis polymerization and investigated their phase behaviors. The monomers were facilely synthesized in satisfactory yields through a key intermediate, N-(2,5-dicarboxylphenyl)-cis-5-norbornene-exo-2,3-dicarboximide. Differential scanning calorimetry, polarized light microscopy, and wide-angle X-ray diffraction results demonstrate that the phase behavior of PNbnPT is strongly dependent on the alkyl-tail length. Polymers with relatively short alkyl tails, PNb8PT and PNb10PT, are amorphous in the whole temperature range before degradation. When the alkyl-tail length increases, PNbnPTs (n = 12, 14, 16, 18) develop into the smectic A phase, and the degree of order increases with increasing alkyl-tail length. The synthetic pathway for MJLCPs with a polynorbornene main chain in this work is more robust and greener than those reported to the best of our knowledge. And MJLCPs with a polynorbornene main chain show quite different phase behaviors compared with those with a polyethylene backbone, and they may be used to create fascinating functional materials.