应用化学 ›› 1989, Vol. 0 ›› Issue (2): 82-83.

• 研究简报 • 上一篇    下一篇

氟阴离子在有机合成中的应用 Ⅱ.无水氟化钾催化乙酐与苯甲醛的Perkin反应

王文, 孟繁君, 高鸿宾   

  1. 山东大学化学系 济南
  • 收稿日期:1988-02-04 修回日期:1988-04-26 出版日期:1989-04-10 发布日期:1989-04-10

APPLICATION OF FLUORIDE ANION IN ORGANIC SYNTHESIS Ⅱ.PERKIN REACTION OF ACETIC ANHYDRIDE WITH BENZALDEHYDE CATALYZED BY POTASSIUM FLUORIDE

Wang Wen, Meng Fanjun, Gao Hongbin   

  1. Department of Chemistry, Shandong University, Jinan
  • Received:1988-02-04 Revised:1988-04-26 Published:1989-04-10 Online:1989-04-10

摘要: 用无水醋酸盐催化苯甲醛与乙酐的Perkin反应,一般反应时间较长,产率最高为55-60%.用三乙胺、吡啶和无水碳酸钾等作催化剂,产率也无明显提高.近年来氟阴离子在有机合成中的应用迅速发展,我们曾用无水氟化钾催化成功地实施了丙二酸二乙酯与苯甲醛的Knoevenagel缩合,并研讨了该反应的微环境效应.

关键词: 氟阴离子, 有机合成, 肉硅酸, Perkin反应

Abstract: Cinnamic acid in high yield (82.4%) was synthesized by Perkin reaction of acetic an-hydride and benzaldehyde catalyzed by anhydrous potassium fluoride. Optimum conditionsare benzaldehyde: acetic anhydride: KF = 1:3:1.5(mol ratio), reaction temperature 160±1℃ and reaction time 100 min.

Key words: Fluoride anion, Organic synthesis, Cinnamic acid, Perkin reaction