4-(5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,12-heptadecafluorododecyloxy)benzoic acid | 142894-87-9

• 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-(5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,12-heptadecafluorododecyloxy)benzoic acid
• 英文别名: 4-(5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,12-Heptadecafluorododecoxy)benzoic acid；4-(5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,12-heptadecafluorododecoxy)benzoic acid
• CAS: 142894-87-9
• 化学式: C₁₉H₁₃F₁₇O₃
• 分子量: 612.283
• InChiKey: YANYNTJBOAAAIF-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  8.3
• 重原子数：
  39
• 可旋转键数：
  13
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.63
• 拓扑面积：
  46.5
• 氢给体数：
  1
• 氢受体数：
  20

反应信息

• 作为反应物：
  描述：

  4-(5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,12-heptadecafluorododecyloxy)benzoic acid 在 硫酸 、 一水合肼 、 三乙胺 作用下， 以 甲醇 、 二氯甲烷 为溶剂， 反应 28.0h， 生成 N-[4-(n-nonyloxy)benzoyl]-N'-[4-(5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,12-heptadecafluorododecyloxy)benzoyl]hydrazine
  参考文献：
  名称：

  Liquid Crystals Derived from Semifluorinated Alkoxybenzoyl Hydrazines

  摘要：

  A variety of liquid crystals with semifluorinated tails including 4-alkoxybenzoic acids (1d-h), 4-alkoxybenzoyl hydrazines (2d-h), and N,N'-bis(4-alkoxybenzoyl) hydrazines (3d-m) have been synthesized, and their properties are compared with their perhydrogenated analogs. Semifluorination in compounds 1d-h suppressed nematic phases, and semifluorinated compounds 2d-h exhibit mesogenic behavior where none is found in their perhydrogenated counterparts. Compounds 3a-c with perhydrogenated chains display Cub and SmC phases. Introduction of one semifluorinated chain, 3d-h suppresses the Cub phase but induces a SmA phase, with lower melting but higher clearing temperatures compared to compounds with two semifluorinated chains, 3i-m. The mesogenic properties of some selected binary mixtures of these compounds 3a-d and some lateral fluoro substituted N,N'-bis (4-alkoxybenzoyl) hydrazines 7-9 are also discussed.

  DOI：

  10.1080/15421400902841478

文献信息

• Induction of smectic polymorphism in bent-core derivatives of the 6-oxoverdazyl by partial fluorination of alkyl chains
  作者：Sylwia Ciastek、Piotr Kaszyński、Damian Pociecha、Marcin Jasiński

  DOI：10.1039/c6ra21383a

  日期：——

  A series of bent-core mesogens 2[m,n] derived from the 6-oxoverdazyl radical and containing partially fluorinated alkyl tails was prepared and investigated by thermal, optical, XRD and EPR methods. In contrast to non-fluorinated analogs, the series 2[m,n] exhibits SmA and SmC phases with thermal stability dependent on the degree of fluorination and the F/H ratio (m/n) in the alkyl chain.

  制备了一系列由6-氧过氧二氮杂基衍生并包含部分氟化烷基尾部的弯曲核液晶元2 [ m，n ]，并通过热，光学，XRD和EPR方法对其进行了研究。与非氟化类似物相反，系列2 [ m，n ]表现出SmA和SmC相，其热稳定性取决于氟化程度和烷基链中的F / H比（m / n）。
• Liquid Crystals Derived from Semifluorinated Alkoxybenzoyl Hydrazines
  作者：Melati Khairuddean、Robert J. Twieg

  DOI：10.1080/15421400902841478

  日期：2009.5.18

  A variety of liquid crystals with semifluorinated tails including 4-alkoxybenzoic acids (1d-h), 4-alkoxybenzoyl hydrazines (2d-h), and N,N'-bis(4-alkoxybenzoyl) hydrazines (3d-m) have been synthesized, and their properties are compared with their perhydrogenated analogs. Semifluorination in compounds 1d-h suppressed nematic phases, and semifluorinated compounds 2d-h exhibit mesogenic behavior where none is found in their perhydrogenated counterparts. Compounds 3a-c with perhydrogenated chains display Cub and SmC phases. Introduction of one semifluorinated chain, 3d-h suppresses the Cub phase but induces a SmA phase, with lower melting but higher clearing temperatures compared to compounds with two semifluorinated chains, 3i-m. The mesogenic properties of some selected binary mixtures of these compounds 3a-d and some lateral fluoro substituted N,N'-bis (4-alkoxybenzoyl) hydrazines 7-9 are also discussed.