有机化学 ›› 2014, Vol. 34 ›› Issue (10): 2124-2129.DOI: 10.6023/cjoc201404048 上一篇    下一篇

研究简报

氨甲酰基硅烷与酮反应合成α-硅氧基酰胺衍生物

姚远a,b, 李伟东a, 陈建新a   

  1. a. 山西师范大学化学与材料科学学院 临汾 041004;
    b. 山西省临汾市实验中学 临汾 041000
  • 收稿日期:2014-04-25 修回日期:2014-05-21 发布日期:2014-06-16
  • 通讯作者: 陈建新 E-mail:jjxxcc2002@yahoo.com
  • 基金资助:

    山西省留学回国人员基金(No. 0713)、山西省自然科学基金(No. 2012011046-9)、山西师范大学基金(No. SD2012CXSY-11)资助项目.

Synthesis of α-Siloxyamides by the Reaction of a Carbamoylsilane with Ketones

Yao Yuana,b, Li Weidonga, Chen Jianxina   

  1. a. College of Chemistry and Material Science, Shanxi Normal University, Linfen 041004;
    b. The First Experimental Middle School of Linfen City, Linfen 041000
  • Received:2014-04-25 Revised:2014-05-21 Published:2014-06-16
  • Supported by:

    Project supported by the Foundation for Returness Overseas Scientists of Shanxi Province (No. 0713), the Natural Science Foundation of Shanxi Province (No. 2012011046-9), and the Foundation of Shanxi Normal University (No. SD2012CXSY-11).

NN-二甲基氨甲酰基三甲基硅烷与一系列芳基酮、不饱和芳基酮在无水无氧、105 ℃、甲苯作溶剂的条件下反应,合成了α-三甲基硅氧基酰胺衍生物,收率60%~89%,其结构用元素分析、1H NMR、13C NMR和IR等方法进行了表征. 烷基烷基酮、烷基芳基酮、烷基不饱和芳基酮与NN-二甲基氨甲酰基三甲基硅烷不反应. 通过研究反应的影响因素发现,反应底物酮中与羰基相连的芳环上取代基的电子效应是该加成反应的重要影响因素,芳环上取代基的给电子能力越強,反应越慢.

关键词: 氨甲酰基硅烷, 酮, α-三甲基硅氧基酰胺, 亲核加成, 合成方法

Under using anhydrous toluene as a solvent, N,N-dimethyl carbamoyl(trimethyl)silane reacted with a series of aryl ketones or unsaturated aryl ketones at 105 ℃ to afford α-siloxyamide derivatives in good yields (60%~89%). The structures of the products were characterized by element analysis, 1H NMR, 13C NMR and IR spectra. The alkyl ketones including the alkyl-aryl ketones and alkyl-unsaturated ketones poorly reacted with N,N-dimethylcarbamoyl(trimethyl)silane. The experimental results showed that the electronic property of the substituted group on the aryl ring strongly affected the reaction. In the case of the aryl ketones with stronger donor group on the aryl ring, the longer time was needed for the reaction.

Key words: carbamoylsilane, ketones, α-siloxyamides, nucleophilic addition, synthetic methods