Synthesis of Novel Heterocyclic Liquid Crystal Intermediate Containing 1,2,3-Triazole

LI Xiao-lian; ZHANG Zong-ying; WANG Bing; WANG Qian-qian; MENG Xi

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Synthesis of Novel Heterocyclic Liquid Crystal Intermediate Containing 1,2,3-Triazole

Material Physics & Chemistry | 更新时间：2020-08-12

- Synthesis of Novel Heterocyclic Liquid Crystal Intermediate Containing 1,2,3-Triazole
- Chinese Journal of Liquid Crystals and Displays Vol. 25, Issue 4, Pages: 502-504(2010)
- 作者机构：
  
  大连理工大学精细化工国家重点实验室,辽宁大连 116012,E-mail:lixllixl2002@yahoo.com.cn
- 作者简介：
- 基金信息：
- DOI：
  CLC： O753+.2
- Received：29 March 2010，
  
  Revised：26 April 2010，
  
  Published Online：20 August 2010，
  
  Published：20 August 2010
- 稿件说明：
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李晓莲, 张宗英, 王兵, 王倩倩, 孟熙. 含三氮唑杂环液晶中间体的合成[J]. 液晶与显示, 2010,25(4): 502-504

LI Xiao-lian, ZHANG Zong-ying, WANG Bing, WANG Qian-qian, MENG Xi. Synthesis of Novel Heterocyclic Liquid Crystal Intermediate Containing 1,2,3-Triazole[J]. 液晶与显示, 2010,25(4): 502-504
李晓莲, 张宗英, 王兵, 王倩倩, 孟熙. 含三氮唑杂环液晶中间体的合成[J]. 液晶与显示, 2010,25(4): 502-504 DOI：

LI Xiao-lian, ZHANG Zong-ying, WANG Bing, WANG Qian-qian, MENG Xi. Synthesis of Novel Heterocyclic Liquid Crystal Intermediate Containing 1,2,3-Triazole[J]. 液晶与显示, 2010,25(4): 502-504 DOI：

摘要

含 -三唑环的化合物由于具有稳定性高、偶极距大等突出优点而得到广泛应用。文章采用高效简单的方法将 -三唑环引入到液晶分子中

以对氨基苯甲酸和苯乙炔为起始原料

经过重氮化及Click chemistry方法设计合成了以 -三唑环为核的液晶中间体

用

H NMR和 HR MS确定了其分子结构。本研究对于改善液晶分子的各种性质、拓宽液晶分子的研究范围具有重要意义。

Abstract

A new liquid crystal intermediate containing -triazole ring was prepared with phenylacetylene and ethyl 4-azidobenzoate by click chemistry reaction. The ethyl 4-azidobenzoate was synthesized by diazotizing reaction using 4-aminobenzoic acid as raw material. The structure of the target compound was confirmed by

H NMR and HR MS. Results demonstrated that the method of introducing -triazole ring into liquid crystals was simple and efficient.

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references

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