加氢脱氧
5-羟甲基糠醛
化学
有机化学
己醇
化学工程
催化作用
材料科学
选择性
酒
工程类
作者
Ying Zhe Xu,Genkuo Nie,Jianguo Xiao,Hongyu Wang,Guihua Yang,Zhe Yan,Ji‐Jun Zou,Hailong Yu,Shitao Yu,Liang Yu
标识
DOI:10.1016/j.cej.2024.150695
摘要
Metal-metal oxide catalysts are robust in selective hydrodeoxygenation of biomass derives. Herein, 1-hexanol in total yield about 76 % is firstly achieved by high selective hydrodeoxygenation of 5-hydroxymethylfurfural over Ni/MCM-41 and Pt-WOX/t-ZrO2. By controlling the amount ratio of Ni/Ni2+ to 0.46, a 99.9 % yield of 2,5-tetrahydrofurandimethanol was achieved from 5-hydroxymethylfurfural by Ni/MCM-41. Subsequently high yield of 76 % of 1-hexanol was obtained by competing pathways of tandem reactions beginning at SN2 reaction at the epoxy atom of 2,5-tetrahydrofurandimethanol to enol/tautomer intermediates and ending with controllable selective hydrogenation. The reaction mechanism is explored and the reaction-oriented regulation is realized by the additional strong BrÖnsted acid sites generated by electron transfer from W to Pt and the appropriate amount of Pt0 sites of Pt-WOX/t-ZrO2, where the ratios of W5+/W6+ and Pt0/Pt2+ are 0.31 and 4.58 respectively. This work provides a new and green method for the synthesis of 1-hexanol and expands the utilization of metal–metal oxide in making value-added products using sustainable feedstocks.
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