Chem. J. Chinese Universities

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Convenient Synthesis of Highly Functionalized α-Cyanothiophene Derivatives via Three-component Reaction

GAO Yu-Xiang1,2, SUN Jun3, XU Xian-Xiu1*, LIU Qun1   

    1. Department of Chemistry, Northeast Normal University, Changchun 130024, China;
    2. Department of Chemistry, Tonghua Normal University, Tonghua 134002, China;
    3. Jilin City Bureau Quality and Technical Supervision, Jilin 132001, China
  • Received:2008-04-23 Revised:1900-01-01 Online:2009-01-10 Published:2009-01-10
  • Contact: XU Xian-Xiu

Abstract: A convenient one-pot synthesis of highly functionalized α-cyanothiophene derivatives(4) by three-component reactions was developed. In the presence of K2CO3, 1,3-dicarbonyl compounds 1 reacted with CS2(2) and bromoacetonitrile(3) resulted in the formation of functionalized α-cyanothiophenes(4) in high yields. The simplicity of execution, mild conditions, ready availability of substrates and high yields, make this synthetic strategy considerably attractive for academic research and practical applications.

Key words: Three-component reactions, α-Cyanothiophene, 1,3-Dicarbonyl compounds, α-Oxo ketene-(S,S)-acetals

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