Synthesis of Chlorinated Liquid Crystals Using Hexachloroethane

YUAN Guo-liang; CUI Hong-mei; LIU Wen-ju; LIANG Li-zhi; ZHANG Jing-mei; ZHANG Fang-miao

doi:10.3788/YJYXS20112604.0432

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Synthesis of Chlorinated Liquid Crystals Using Hexachloroethane

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

- Synthesis of Chlorinated Liquid Crystals Using Hexachloroethane
- Chinese Journal of Liquid Crystals and Displays Vol. 26, Issue 4, Pages: 432-436(2011)
- 作者机构：
  
  石家庄诚志永华显示材料有限公司,河北石家庄,050091
- 作者简介：
- 基金信息：
- DOI：10.3788/YJYXS20112604.0432
  CLC： O753+.2
- Received：20 December 2010，
  
  Revised：04 March 2011，
  
  Published Online：20 August 2011，
  
  Published：20 August 2011
- 稿件说明：
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员国良, 崔红梅, 刘文菊, 梁立志, 张晶梅, 张芳苗. 利用六氯乙烷合成含氯类液晶单体[J]. 液晶与显示, 2011,26(4): 432-436

YUAN Guo-liang, CUI Hong-mei, LIU Wen-ju, LIANG Li-zhi, ZHANG Jing-mei, ZHANG Fang-miao. Synthesis of Chlorinated Liquid Crystals Using Hexachloroethane[J]. , 2011,26(4): 432-436
员国良, 崔红梅, 刘文菊, 梁立志, 张晶梅, 张芳苗. 利用六氯乙烷合成含氯类液晶单体[J]. 液晶与显示, 2011,26(4): 432-436 DOI： 10.3788/YJYXS20112604.0432.

YUAN Guo-liang, CUI Hong-mei, LIU Wen-ju, LIANG Li-zhi, ZHANG Jing-mei, ZHANG Fang-miao. Synthesis of Chlorinated Liquid Crystals Using Hexachloroethane[J]. , 2011,26(4): 432-436 DOI： 10.3788/YJYXS20112604.0432.

摘要

提出了一种利用六氯乙烷给取代芳烃引入氯原子的方法。将取代芳烃在低温下制成锂(钾)试剂

再与六氯乙烷反应

可以得到较高转化率的氯代芳烃。分别对邻位无氟原子取代基、单氟原子取代基、双氟原子取代基三类中间体进行了合成方法研究。通过元素分析、质谱等对产物结构进行了确认和表征。该方法具有反应收率高、产品纯度好、成本较低等特点。

Abstract

A new synthetic method to introduce chlorine atoms in aromatic rings by using hexachloroethane is proposed in this paper. At low temperature

the lithium (potassium) reagent is made from substituted aromatics. Then

this reagent reacts with hexachloroethane to obtain chlorinated aromatic hydrocarbons with high conversion rate. In this way

the synthesis of three different intermediates

which are ortho-no-fluorine atoms substituted

one fluorine atom substituent

double fluorine atom substituent

are studied. The products are characterized by mass and element analysis. The advantages of this method are high yield

good purity and lower cost

etc.

关键词

Keywords

references

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Related Institution

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