Alkali-promoted transition-metal-free oxidative condensation of biomass-derived furfural and alcohols
作者:Yanfang Zhu、Yajun Wang、Xuran Xu、Guo-Ping Lu
DOI:10.1016/j.tet.2024.133932
日期:2024.4
The oxidative condensation of furfural (FUR) with alcohols is considered to be an effective approach for the preparation of liquid transport fuel precursors. In this work, the transition-metal-freeoxidative condensation of FUR with alcohols has been introduced, which is achieved by NaOBu-promoted hydrogen auto-transfer, aerobic dehydrogenation and aldol condensation under atmospheric atmosphere. C3–C10
糠醛(FUR)与醇的氧化缩合被认为是制备液体运输燃料前体的有效方法。在这项工作中,介绍了FUR与醇的无过渡金属氧化缩合,该反应是通过NaOBu促进的氢自转移、有氧脱氢和在大气气氛下羟醛缩合来实现的。 C3-C10 伯醇可以与 FUR 顺利反应,在 60-70 °C 下生成 C8-C15 缩合产物,收率良好至优异。此外,由于仲醇的多个活性位点,FUR和C4-C8仲醇的缩合在25~40℃下实现,得到多种缩合产物。