1-{4-[4-(octyloxy)benzylideneamino]phenyl}ethanone | 17224-19-0

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: 1-{4-[4-(octyloxy)benzylideneamino]phenyl}ethanone
• 英文别名: p--acetophenon；p-(p-Octyloxy-benzyliden-amino)-acetophenon；1-{4-[(E)-{[4-(Octyloxy)phenyl]methylidene}amino]phenyl}ethan-1-one；1-[4-[(4-octoxyphenyl)methylideneamino]phenyl]ethanone
• CAS: 17224-19-0
• 化学式: C₂₃H₂₉NO₂
• 分子量: 351.489
• InChiKey: RDASNYQDRRYZPG-UHFFFAOYSA-N

物化性质

• 沸点：
  505.0±35.0 °C(Predicted)
• 密度：
  0.99±0.1 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  6.3
• 重原子数：
  26
• 可旋转键数：
  11
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.39
• 拓扑面积：
  38.7
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为产物：
  描述：

  4-辛氧基苯甲醛 、 4-氨基苯乙酮 在 溶剂黄146 作用下， 以 乙醇 为溶剂， 反应 2.0h， 以65.01%的产率得到1-{4-[4-(octyloxy)benzylideneamino]phenyl}ethanone
  参考文献：
  名称：

  Synthesis and Mesomorphic Properties of New Methylene-Linked Linear Symmetrical Liquid Crystal Dimers

  摘要：

  A series of methylene-linked symmetrical liquid crystal dimers were synthesized. Their structures were confirmed by physicochemical techniques. Differential scanning calorimetry and polarizing optical microscopy verified the liquid crystal behaviors and their transition temperatures. The thermodynamic data for phase transition, melting transition (T-m), and isotropic transition temperatures (T-i) of the dimers were decreased with increasing the length of spacer. Both T-m and T-i and enthalpy change for isotropic transition (delta H-i) for dimers with even numbers of methylene units were higher than those with odd numbers. Dimers AC-OnO-AC (n = 2-10) formed enantiotropic nematic phase only, while the unsymmetrical dimer formed a smectic phase.

  DOI：

  10.1080/15421406.2014.927549

文献信息

• Synthesis and Mesomorphic Properties of New Methylene-Linked Linear Symmetrical Liquid Crystal Dimers
  作者：Uhood J. Al-Hamdani、Aiman G. Al-Ibrahim、Hanna S. Abbo、Salam J. J. Titinchi

  DOI：10.1080/15421406.2014.927549

  日期：2015.1.22

  A series of methylene-linked symmetrical liquid crystal dimers were synthesized. Their structures were confirmed by physicochemical techniques. Differential scanning calorimetry and polarizing optical microscopy verified the liquid crystal behaviors and their transition temperatures. The thermodynamic data for phase transition, melting transition (T-m), and isotropic transition temperatures (T-i) of the dimers were decreased with increasing the length of spacer. Both T-m and T-i and enthalpy change for isotropic transition (delta H-i) for dimers with even numbers of methylene units were higher than those with odd numbers. Dimers AC-OnO-AC (n = 2-10) formed enantiotropic nematic phase only, while the unsymmetrical dimer formed a smectic phase.