有机化学 ›› 2015, Vol. 35 ›› Issue (6): 1286-1293.DOI: 10.6023/cjoc201501019 上一篇    下一篇

研究论文

Me3SiCl促进亚铁氰化钾为氰源的α,β-不饱和酮的共轭氢氰化

杨靖亚, 占宝华, 马奔, 向现成, 保云芬, 李政   

  1. 西北师范大学化学化工学院 兰州 730070
  • 收稿日期:2015-01-15 修回日期:2015-01-27 出版日期:2015-06-25 发布日期:2015-02-05
  • 通讯作者: 杨靖亚 E-mail:yangjy@nwnu.edu.cn
  • 基金资助:

    国家自然科学基金(Nos. 21362034, 21162026)、高等学校博士学科点专项科研基金(No. 20136203120005)和甘肃省高等学校科研(No. 2013B-003)资助项目.

Me3SiCl-Promoted Conjugate Hydrocyanation of α,β-Unsaturated Ketones Using Potassium Hexacyanoferrate(II) as Cyanide Source

Yang Jingya, Zhan Baohua, Ma Ben, Xiang Xiancheng, Bao Yunfen, Li Zheng   

  1. College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070
  • Received:2015-01-15 Revised:2015-01-27 Online:2015-06-25 Published:2015-02-05
  • Supported by:

    Project supported by the National Natural Science Foundation of China (Nos. 21362034 and 21162026), the Research Fund for the Doctoral Program of Higher Education of China (No. 20136203120005) and the University Scientific Research Project of Gansu Province (No. 2013B-003).

发展了一种以无毒的亚铁氰化钾为环境友好氰源、Me3SiCl促进的α,β-不饱和酮的共轭氢氰化方法. 采用"一锅法", 中间体三甲基硅氰无需分离. 在1 mol% Cs2CO3催化下, 芳香类和脂肪类α,β-不饱和酮专一区域选择性地转化为相应的共轭氢氰化产物β-氰基酮. 不使用传统的剧毒氰化试剂以及反应活性中间体三甲基硅氰无需分离等特点使得该方法具有较好的应用前景.

关键词: Michael加成, 氰化物, α,β-不饱和酮, 绿色化学, 亚铁氰化钾

A Me3SiCl-promoted conjugate hydrocyanation of α,β-unsaturated ketones using non-toxic potassium hexacyanoferrate(II) as an eco-friendly cyanide source is described. By "one-pot" procedure, the intermediate, trimethylsilyl cyanide, does not need separation. With 1 mol% Cs2CO3 as catalyst, a variety of aromatic and aliphatic α,β-unsaturated ketones afforded the corresponding β-cyano ketones regioselectivity exclusively. Avoiding the traditional highly toxic cyanide and without separation of the reactive intermediate trimethylsilyl cyanide make this protocol more practical.

Key words: Michael addition, cyanides, α,β-unsaturated ketones, green chemistry, potassium hexacyanoferrate(II)