有机化学 ›› 2025, Vol. 45 ›› Issue (6): 2231-2238.DOI: 10.6023/cjoc202405026 上一篇    下一篇

研究论文

蓝光诱导的α-硅氧基卡宾与1,3-二酮C—H键的形式上插入反应

蒋馨雨a, 张新科a, 方曦a, 徐新芳b,*()   

  1. a 中山大学药学院 广州 510006
    b 浙江理工大学化学与化工学院 杭州 310018
  • 收稿日期:2024-05-17 修回日期:2024-06-30 发布日期:2024-07-25
  • 通讯作者: 徐新芳
  • 基金资助:
    国家自然科学基金(22371309)

Blue Light-Induced Formal Insertion Reaction of α-Siloxy Carbene into C—H Bond of 1,3-Diketones

Xinyu Jianga, Xinke Zhanga, Xi Fanga, Xinfang Xub,*()   

  1. a School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006
    b School of Chemistry and Chemical Engineering, Zhejiang Sci-Tech University, Hangzhou 310018
  • Received:2024-05-17 Revised:2024-06-30 Published:2024-07-25
  • Contact: Xinfang Xu
  • Supported by:
    National Natural Science Foundation of China(22371309)

报道了一种在蓝光诱导下, 酰基硅转化为α-硅氧基卡宾, 进而与1,3-二酮的烯醇式互变异构体发生的形式上的 C—H键插入反应. 该方法使用简便易得、相对稳定的酰基硅作为卡宾前体, 反应条件温和, 无需使用任何过渡金属催化剂. 此外, 反应可以在克级规模下高收率地得到插入产物, 体现了反应的实用性及其在合成上的应用潜力.

关键词: 光诱导, α-硅氧基卡宾, 1,3-二酮, C—H键插入反应

A blue light-induced formal insertion reaction of α-siloxy carbene into the C—H bond of 1,3-diketones has been reported. Under the irradiation of blue light, acylsilane converts to α-siloxy carbene, which then undergoes formal C—H bond insertion reaction with the enol form of 1,3-diketone. This method uses readily available and relative stable acylsilane as carbene precursor, which features a simple and metal-free approach under mild conditions. Moreover, the synthetic potential of this protocol has been demonstrated by performing the reaction on a gram scale with comparable high yield.

Key words: photoinduction, α-siloxy carbene, 1,3-diketone, C—H bond insertion reaction