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有机化学
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有机化学 ›› 2007, Vol. 27 ›› Issue (05): 663-665. 上一篇    下一篇

研究简报

碳酸铯催化下端炔碘化合成炔基碘

贺干武a,b，刘凤伟a，许新华*,a   

  1. (a湖南大学化学化工学院 长沙 410082)
    (b邵阳学院化学与生物技术系 邵阳 422400)
  • 收稿日期:2006-01-18 修回日期:2006-10-13 发布日期:2007-05-10
  • 通讯作者: 许新华

Cesium Carbonate Catalyzed Iodination of Terminal Alkynes to Synthesize 1-Iodoalkynes

HE Gan-Wua,b, LIU Feng-Weia, XU Xin-Hua*,a   

  1. (a College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082)
    (b Department of Chemistry and Biotechnogy, Shaoyang University, Shaoyang 422400)
  • Received:2006-01-18 Revised:2006-10-13 Published:2007-05-10
  • Contact: XU Xin-Hua

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催化量的碳酸铯(0.2 equiv.)、氢氧化钾(2.0 equiv.)及端炔(1.0 equiv.)在无水THF-HMPA中, 室温搅拌3 h, 然后加入碘的THF溶液, 室温搅拌2 h, 生成炔基碘. 产率为70%～93%.

关键词: 端炔, 炔基碘, 氢氧化钾, 碳酸铯

A mixture of cesium carbonate (0.2 equiv.), potassium hydroxide (2.0 equiv.) and terminal al-kynes (1.0 equiv.) in THF-HMPA was stirred at room temperature for 3 h, then the solution of iodine in THF was added and stirred at room temperature for 2 h. The 1-iodoalkynes were obtained in 70%～93% yields.

Key words: terminal alkyne, 1-iodoalkyne, potassium hydroxide, cesium carbonate