多卤代联苯类化合物及其制备的液晶单体

杨学军; 张旺财; 张严伟; 杜渭松; 高嫒嫒; 别国军

doi:10.3788/YJYXS20193412.1143

您当前的位置：

首页 >

文章列表页 >

多卤代联苯类化合物及其制备的液晶单体

材料与器件 | 更新时间：2020-07-16

- 多卤代联苯类化合物及其制备的液晶单体
- Polyhalogenated biphenyl compound and its liquid crystal monomer
- 液晶与显示 2019年34卷第12期页码：1143-1147
- 作者机构：
  
  西安彩晶光电科技股份有限公司, 陕西西安 710065
- 作者简介：
  
  [ "杨学军(1984—), 男, 甘肃会宁人, 工程师, 2006年于四川大学获得学士学位, 主要从事光电材料及医药中间体的研发和生产工作。E-mail:yxj_19840@163.com" ]
- 基金信息：
  
  陕西省中小企业发展专项(市财函【2018】590号)
- DOI：10.3788/YJYXS20193412.1143
  中图分类号： O625.21
- 收稿日期：2019-08-19，
  
  录用日期：2019-9-9，
  
  纸质出版日期：2019-12-05
- 稿件说明：
移动端阅览
杨学军, 张旺财, 张严伟, 等. 多卤代联苯类化合物及其制备的液晶单体[J]. 液晶与显示, 2019,34(12):1143-1147.

Xue-jun YANG, Wang-cai ZHANG, Yan-wei ZHANG, et al. Polyhalogenated biphenyl compound and its liquid crystal monomer[J]. Chinese journal of liquid crystals and displays, 2019, 34(12): 1143-1147.
杨学军, 张旺财, 张严伟, 等. 多卤代联苯类化合物及其制备的液晶单体[J]. 液晶与显示, 2019,34(12):1143-1147. DOI： 10.3788/YJYXS20193412.1143.

Xue-jun YANG, Wang-cai ZHANG, Yan-wei ZHANG, et al. Polyhalogenated biphenyl compound and its liquid crystal monomer[J]. Chinese journal of liquid crystals and displays, 2019, 34(12): 1143-1147. DOI： 10.3788/YJYXS20193412.1143.

摘要

以2，3，3'，5'-四氟-1，1'-联苯为原料，在超低温条件下与n-BuLi及CF

反应得到一种新的多卤代联苯类化合物4'-二氟溴甲基-2，3，3'，5'-四氟-4-溴-1，1'-联苯，利用一步反应同时向分子结构中引入-CF

Br和-Br两个不同的官能团，简化了反应步骤。用此化合物作为通用中间体，可以方便地合成多种二氟甲醚桥键类液晶单体，为此类液晶单体的制备提供了一种新的方法，文中用上述方法合成了二氟甲醚桥键类液晶单体3PYUQUF，液晶综合参数测试结果表明，化合物3PYUQUF的Δ

值为0.138 0，Δ

值为22.63。

Abstract

A new polyhalogenated biphenyl compound 4-bromo-4'-(bromodifluoromethyl)-2

5'-tetrafluoro-1

1'-biphenyl was synthesized from 2

5'-tetrafluoro-1

1'-biphenyl by reacting with n-BuLi and CF

under ultra-low temperature. But

this reaction can be simplified to a one-step reaction by constructing two different functional groups -CF

Br and -Br into the molecular structure. As a general intermediate

this compound can be used to synthesize a variety of difluoromethyl ether bridge-bonded liquid crystal monomers

which provides a new method for the preparation of such liquid crystal monomers. In this paper

the difluoromethyl ether bridge-bonded liquid crystal monomer 3PYUQUF was synthesized by the above methods. The results show that the Δ

values of the compound 3PYUQUF was 0.138 0

and the Δ

value was 22.63.

关键词

Keywords

references

高鸿锦.液晶化学[M].北京:清华大学出版社, 2011.

GAO H J. Liquid Crystal Chemistry [M]. Beijing:Tsinghua University Press, 2011. (in Chinese)

高嫒嫒, 郑远洋, 杜渭松, 等.含氟液晶的性能、应用与合成进展[J].液晶与显示, 2014, 29(2):159-171.

GAO A A, ZHENG Y Y, DU W S, et al . Fluorinated liquid crystal properties, application and synthetic progress[J]. Chinese Journal of Liquid Crystals and Displays, 2014, 29(2):159-171. (in Chinese)

高嫒嫒, 张广平, 别国军, 等.含炔键大双折射液晶的研究进展[J].液晶与显示, 2015, 30(1):22-31.

GAO A A, ZHANG G P, BIE G J, et al . Research progress of high birefringence liquid crystal containing acetylenic bond[J]. Chinese Journal of Liquid Crystals and Displays, 2015, 30(1):22-31. (in Chinese)

苏新艳, 范程士, 李继响, 等.含亚甲氧基桥键负性单体液晶的制备及性能研究[J].液晶与显示, 2016, 31(4):353-357.

SU X Y, FAN C S, LI J X, et al . Preparation and properties of oxymethylene-bridged negative liquid crystal[J]. Chinese Journal of Liquid Crystals and Displays, 2016, 31(4):353-357. (in Chinese)

别国军, 邓登, 栾允海, 等.含乙烷桥键负性液晶的合成及性能[J].液晶与显示, 2017, 32(10):794-798.

BIE G J, DENG D, LUAN Y H, et al . Synthesis and properties of ethane-bridged negative liquid crystal[J]. Chinese Journal of Liquid Crystals and Displays, 2017, 32(10):794-798. (in Chinese)

BARTMANN E, HITTICH R, KURMEIER H A, et al . Di: fluoro-methylene cpds.-useful as low-viscosity components of liq. crystalline media for liq. crystal and electro=optical display elements: US, DE4006921A1[P]. 1990-09-20.

ANDOU T, SHIBATA K, MATSUI S, et al . Polyhaloalkyl ether derivatives as well as liquid crystal compositions and liquid crystal display elements containing them: US, EP0844229A1[P]. 1998-05-27.

BARTMANN E, TARUMI K. New alpha, alpha-di: fluoro-benzyl ether derivs: US, DE19531165A1[P]. 1996-03-07.

MATSUI S, MIYAZAWA K, OHNISHI N, et al. Liquid crystal composition and liquid crystal display: US, WO9611994[P]. 1996-04-25.

MATSUI S, MIYAZAWA K, OHNISHI N, et al. Difluoroxymethane derivative and liquid crystal composition: US, WO9611897[P]. 1996-04-25.

TANAKA H, ENDOU H. Liquid crystal compound, liquid crystal composition, and liquid crystal display element: JPWO: 2014129268A1[P]. 2017-02-02.

浏览量

下载量

CSCD

文章被引用时，请邮件提醒。

提交

工具集

关联资源

可调谐太赫兹液晶超表面

液晶相中金纳米粒子的原位合成

多亲性液晶分子自组装研究进展

飞秒激光赋能液晶光子学

具有视角控制特性的液晶光学器件研究进展