Synthesis of 4-(4-Vinylphenyl) Benzoic Acid-(4-Vinyl) Phenyl Ester

WEI Ting; AN Zhong-wei; CHEN Xin-bing; CHEN Pei

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Synthesis of 4-(4-Vinylphenyl) Benzoic Acid-(4-Vinyl) Phenyl Ester

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

- Synthesis of 4-(4-Vinylphenyl) Benzoic Acid-(4-Vinyl) Phenyl Ester
- Chinese Journal of Liquid Crystals and Displays Vol. 27, Issue 4, Pages: 439-444(2012)
- 作者机构：
  
  陕西师范大学材料科学与工程学院,陕西西安,710100
- 作者简介：
- 基金信息：
- DOI：
  CLC： O625.5
- Received：13 February 2012，
  
  Revised：23 March 2012，
  
  Published Online：15 August 2012，
  
  Published：15 August 2012
- 稿件说明：
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魏婷, 安忠维, 陈新兵, 陈沛. 4-(4-乙烯基苯基)苯甲酸-(4-乙烯基)苯酯的合成[J]. 液晶与显示, 2012,(4): 439-444

WEI Ting, AN Zhong-wei, CHEN Xin-bing, CHEN Pei. Synthesis of 4-(4-Vinylphenyl) Benzoic Acid-(4-Vinyl) Phenyl Ester[J]. , 2012,(4): 439-444
魏婷, 安忠维, 陈新兵, 陈沛. 4-(4-乙烯基苯基)苯甲酸-(4-乙烯基)苯酯的合成[J]. 液晶与显示, 2012,(4): 439-444 DOI：

WEI Ting, AN Zhong-wei, CHEN Xin-bing, CHEN Pei. Synthesis of 4-(4-Vinylphenyl) Benzoic Acid-(4-Vinyl) Phenyl Ester[J]. , 2012,(4): 439-444 DOI：

摘要

以联苯为原料

经傅克酰化、溴代、格氏和氧化反应

制备了4-(4-乙酰基苯基)苯甲酸;以苯甲醚为原料经傅克酰化

醚解制备了4-乙酰基苯酚;两者再经酯化、还原、脱水反应

合成了一种新型的双官能团聚合物材料单体4-(4-乙烯基)苯基苯甲酸-(4-乙烯基)苯酯

基于联苯的总收率为7%~10%

其结构经

H NMR和FT-IR确认

并用偏光显微镜和差示扫描量热仪对其液晶性进行了研究。

Abstract

A novel bifunctional poly-monomer materials

4-(4-vinylphenyl) benzoic acid-(4-vinyl) phenyl ester was prepared by the esterification of 4-(4-acetylphenyl) benzoic acid and 4-acetyl phenol

then reduction of the resulting carbonyl containing ester and dehydrolysis. The former acid was synthesized by biphenyl via Friedel-Crafts

bromination

Grignard reaction and oxidation reactions

and the later 4-acetylphenol was prepared by anisole via Friedel-Crafts and methyl elimination reactions. The total yield based on biphenyl is around 7%~10%

and the target product and intermediates were characterized by

H NMR and FT-IR

its liquid crystal properties was studied with Polarizing Optical Microscopy and Differential Scanning Calorimetry.

关键词

Keywords

references

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