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  • Title: Production of Primary Amines by Reductive Amination of Biomass-Derived Aldehydes/Ketones.
    Author: Liang G, Wang A, Li L, Xu G, Yan N, Zhang T.
    Journal: Angew Chem Int Ed Engl; 2017 Mar 06; 56(11):3050-3054. PubMed ID: 28156045.
    Abstract:
    Transformation of biomass into valuable nitrogen-containing compounds is highly desired, yet limited success has been achieved. Here we report an efficient catalyst system, partially reduced Ru/ZrO2 , which could catalyze the reductive amination of a variety of biomass-derived aldehydes/ketones in aqueous ammonia. With this approach, a spectrum of renewable primary amines was produced in good to excellent yields. Moreover, we have demonstrated a two-step approach for production of ethanolamine, a large-market nitrogen-containing chemical, from lignocellulose in an overall yield of 10 %. Extensive characterizations showed that Ru/ZrO2 -containing multivalence Ru association species worked as a bifunctional catalyst, with RuO2 as acidic promoter to facilitate the activation of carbonyl groups and Ru as active sites for the subsequent imine hydrogenation.
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