石油化工高等学校学报

石油化工高等学校学报 ›› 2011, Vol. 24 ›› Issue (5): 41-44.DOI: 10.3696/j.issn.1006-396X.2011.05.011

• 石油化工 • 上一篇    下一篇

2,2′:5′,2″-四噻吩-5-甲醛的合成与表征

孙效雷1,杨明山2* ,戴玉华2   

  1. 1.北京化工大学材料科学与工程学院,北京100029;
    2.北京石油化工学院材料科学与工程系,特种弹性体复合材料北京市重点实验室,北京102617
  • 收稿日期:2011-10-19 修回日期:2011-10-24 出版日期:2011-10-25 发布日期:2011-10-25
  • 作者简介:孙效雷(1985-),男,山东菏泽市,在读硕士。
  • 基金资助:
    北京市教育委员会科技发展计划面上项目(Z2011-007)。

The Synthesis and Characterization of the 5-Formyl-2,2:5曚,2-Terthiophene

  1. 1.College of Material Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P.R.China;
    2. Beijing Key Lab of Special Elastomer Composites Materials, Department of Material Science and Engineering, Beijing Institute of Petrochemical Technology, Beijing 102617, P.R.China
  • Received:2011-10-19 Revised:2011-10-24 Published:2011-10-25 Online:2011-10-25

摘要: 以三联噻吩为原料,三氯氧磷为缩合剂,N,N-二甲基甲酰胺为甲酰化剂,通过维尔斯迈尔反应,在0 ℃左右合成亲电试剂,用该亲电试剂取代三联噻吩α位的H,最后经碱性水解(pH=8)得到2,2′:5′,2″-四噻吩-5-甲醛,经过柱层析提纯得到纯度较高的2,2曚:5曚,2曞-四噻吩-5-甲醛,收率达84.97%。采用FT-IR,UV-vis,1H-NMR对其结构进行了表征和分析,用DSC进行测试和分析,得到了2,2′:5′,2″-四噻吩-5-甲醛的熔点和沸点,结果与文献报道一致。

关键词: 三联噻吩, 维尔斯迈尔反应, 合成, 2,2′:5′,2″-四噻吩-5-甲醛

Abstract: The reaction was carried out through Vilsmeier-reaction with the2,2′:5′,2″-terthiophene as raw material,in which the electrophilic reagent was synthesized in the temperature of nearby zero degrees centigrade with POCl3 as condensating agent and DMF as formylating agent,then the H in the position of α of 2,2′:5′,2″-terthiophene was substituted by the electrophilic reagent,the5-formyl-2,2′:5′,2″-terthiophene was obtained via basic hydrolysis (pH=8),of which the higher purity quotient was obtained through silica flash chromatography with the productive rate of 84.97%. It′s structure was characterized and analyzed using FT-IR,UV-vis,1H-NMR,and the melting point and boiling point was measured and analyzed by DSC,which is in agreement with the literature.

Key words: 2,2′:5′,2″-Terthiophene,    , Vilsmeier-reaction,    , Synthesis,    , 5-Formyl-2,2′:5′,2″-terthiophene

引用本文

孙效雷,杨明山,戴玉华. 2,2′:5′,2″-四噻吩-5-甲醛的合成与表征[J]. 石油化工高等学校学报, 2011, 24(5): 41-44.

SUN Xiao-lei,YANG Ming-shan,DAI Yu-hua. The Synthesis and Characterization of the 5-Formyl-2,2:5曚,2-Terthiophene[J]. Journal of Petrochemical Universities, 2011, 24(5): 41-44.

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