論文

2020年9月

Bifunctional carbon Ni/NiO nanofiber catalyst based on 5-sulfosalicylic acid for conversion of C5/C6 carbohydrates into ethyl levulinate

Reaction Chemistry and Engineering
  • Haixin Guo
  • ,
  • Yuya Abe
  • ,
  • Xinhua Qi
  • ,
  • Richard Lee Smith

5
9
開始ページ
1759
終了ページ
1767
記述言語
掲載種別
研究論文(学術雑誌)
DOI
10.1039/d0re00153h

© The Royal Society of Chemistry. A method was developed for preparing bifunctional carbon Ni/NiO nanofiber catalysts that promote efficient one-pot conversion of C5/C6 carbohydrates into levulinate esters in alcohol solvents. The bifunctional catalysts were prepared via solvothermal carbonization of 5-sulfosalicylic acid/NiSO4 without the use of sulfuric acid or hydrogen gas and had fine particle sizes (d = 5 nm to 50 nm) and contained -NH2, -SO3H, -COOH and phenolic -OH functional groups. Under optimal conditions, the catalysts afforded 93% selectivity of ethyl levulinate in ethanol with the major intermediate being 2-(ethoxymethyl)furan, 4,5,5-triethoxypentan-2-one and major byproduct being 2,5,5-triethoxpentan-2-one. Cooperative activity of Lewis acidity, Brønsted acidity and functional group sites of the catalyst is demonstrated for multi-step reaction sequences of C5/C6 carbohydrates with one-pot conversions and alcohols (methanol, ethanol, 1-propanol, 1-butanol) that act as both solvent and hydrogen donor source in which the bifunctional catalyst was shown to be recyclable five times with no apparent change in conversion and ca. 5% change in selectivity. This journal is

リンク情報
DOI
https://doi.org/10.1039/d0re00153h
Scopus
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85092566135&origin=inward
Scopus Citedby
https://www.scopus.com/inward/citedby.uri?partnerID=HzOxMe3b&scp=85092566135&origin=inward
ID情報
  • DOI : 10.1039/d0re00153h
  • eISSN : 2058-9883
  • SCOPUS ID : 85092566135

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