有机化学 ›› 2026, Vol. 46 ›› Issue (8): 3237-3245.DOI: 10.6023/cjoc202601021 上一篇    下一篇

研究论文

一种3,5-二叔丁基邻苯醌参与的氨基底物高效合成腙/肟醚的方法

于瑞晓, 李承育, 李燕超, 邹慧斌*()   

  1. 青岛科技大学化工学院 山东青岛 266042
  • 收稿日期:2026-03-01 修回日期:2026-03-24 发布日期:2026-05-06
  • 通讯作者: 邹慧斌
  • 基金资助:
    国家重点研发计划(2022YFC2104700); 山东省自然科学基金(ZR2022MB014)

Efficient Synthesis of Hydrazones and Oxime Ethers from Amines Involving 3,5-Di-tert-butyl-o-benzoquinone

Ruixiao Yu, Chengyu Li, Yanchao Li, Huibin Zou*()   

  1. Qingdao University of Science and Technology, College of Chemical Engineering, Qingdao, Shandong 266042
  • Received:2026-03-01 Revised:2026-03-24 Published:2026-05-06
  • Contact: Huibin Zou
  • Supported by:
    National Key R&D Program of China(2022YFC2104700); Shandong Province Natural Science Foundation(ZR2022MB014)

建立了一种3,5-二叔丁基邻苯醌介导的仲胺化合物一锅两步合成腙和肟醚的方法. 该反应在室温条件下进行, 无需金属催化剂或添加剂, 操作简便, 可实现芳香及脂肪氨基化合物底物转化为腙和肟醚类化合物. 本研究拓展了芳香族、杂环以及脂肪族胺等20多种底物, 实验结果表明, 多数目标产物的合成产率可达80%以上. 该反应的副产物6具有应用价值, 进一步提升了整条合成路线的原子经济性. 反应机理研究证实, 该转化主要依靠胺类化合物对原位生成羰基中间体的双重亲核加成-消除过程实现.

关键词: 氨基功能化, 席夫碱化合物, 酸促进, 脱水, 亲核加成

A 3,5-di-tert-butyl-o-benzoquinone-mediated method has been established for the one-pot and two-step synthesis of hydrazones and oxime ethers from various secondary amines. This method proceeds under mild room-temperature without metal catalysts or additives, providing a facile and streamlined protocol for converting amino compounds into hydrazones and oxime ethers. The method enables the efficient conversion of aromatic, heterocyclic, and aliphatic amines into the corresponding imine derivatives. A substrate screening study indicates that the method is feasible for more than 20 substrates, and in several cases the yield can exceed 80%. The byproduct 6 has great value for practical application, which improves the economy of the method. Preliminary mechanistic studies suggest a dual nucleophilic addition-elimination process of amines with in situ generated carbonyl intermediates.

Key words: aminofunctionalization, Schiff base compounds, acid promoted, dehydration, nucleophilic addition