Catalytic conversion of biomass‐derived 5‐(hydroxymethyl)furfural (5‐HMF) into carbon‐increased hydrocarbons as drop‐in energy‐rich biofuels has received a great deal of concern for the development of sustainable chemical industry. Here, we demonstrate a one‐pot conversion of 5‐HMF into C9‐alkanes on one single catalyst, acidic–basic layered double oxides (Mg(Al)(Zr)O) supported CuCo alloy. The well‐defined multifunctional catalytic sites with harmonious combination carry out cascade catalysis, affording C9‐alkanes (including 30% of more value‐added branched‐cycloalkanes) in 83% yield. The basic–acidic sites on Mg(Al)(Zr)O show high activity for aldol condensation of 5‐HMF and acetone, producing 4‐[5‐(hydroxymethyl)‐2‐furanyl]‐3‐buten‐2‐one (HAc) in a yield of >99%. The engineered Co–Cu–Co linkages on supported CuCo perform efficient hydrodeoxygenation, affording C9‐alkanes in a selectivity of 96% from HAc. C9‐cycloalkanes are generated from the cyclization of the corresponding monohydric alcohol intermediates by the synergy of acidic and CuCo sites in the hydrodeoxygenation reaction.

中文翻译：

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Mg(Al)(Zr)O负载CuCo级联催化5-(羟甲基)糠醛生产喷气燃料环烷烃

将生物质衍生的 5-(羟甲基)糠醛 (5-HMF) 催化转化为增碳碳氢化合物作为富含能量的生物燃料，已受到可持续化学工业发展的极大关注。在这里，我们演示了 5-HMF 到 C 的一锅转化9‐烷烃在单一催化剂上，酸性-碱性层状双氧化物（Mg（Al）（Zr）O）负载的CuCo合金。明确的多功能催化位点和谐组合进行级联催化，提供C9α-烷烃（包括 30% 附加值更高的支链环烷烃），收率 83%。Mg(Al)(Zr)O 上的碱性-酸性位点对 5-HMF 和丙酮的醇醛缩合表现出高活性，产生 4-[5-(羟甲基)-2-呋喃基]-3-丁烯-2-酮 ( HAc)，产率 >99%。负载型 CuCo 上的工程化 Co-Cu-Co 连接可进行有效的加氢脱氧，提供 C9HAc 中的 ‐烷烃选择性为 96%。C9‐环烷烃是通过加氢脱氧反应中酸性位点和 CuCo 位点的协同作用，将相应的一元醇中间体环化生成的。