还原胺化
催化作用
化学
生物量(生态学)
糠醛
胺化
有机化学
钌
海洋学
地质学
作者
Tejas A. Gokhale,Amol B. Raut,Bhalchandra M. Bhanage
标识
DOI:10.1016/j.mcat.2021.111667
摘要
This work includes an effective comparison of metallic ruthenium and nickel nanoparticles loaded on montmorillonite clay (MMT) for reductive amination reaction of biomass-derived molecules. It comprises an eco-friendly reaction using water as a solvent, utilizing molecular hydrogen and liquor ammonia (25% aq. solution) for the synthesis of primary amines from bio-derived aldehydes within 3–10 h of reaction time. Various parameters such as temperature, hydrogen pressure, substrate/ammonia concentration ratio, and reaction time were optimized while comparing the selectivity of primary amines for both catalysts. The applicability scope of these catalysts was explored with a library of aryl and heterocyclic aldehydes. The reductive amination of crude furfural extracted from biomass feedstock (rice husk) and pure xylose sugar was tested, showing yields in the range of 11–36%, to show the wider industrial scope of both nanocomposites. Gram scale conversion was also carried out to showcase the bulk scalability of the Ru/MMT catalyst.
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