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催化学报  2013 

Ru/C催化5-羟甲基糠醛选择氧化高效合成2,5-呋喃二甲醛

DOI: 10.1016/S1872-2067(12)60551-8, PP. 871-875

Keywords: 生物质,5-羟甲基糠醛,2,5-呋喃二甲醛,选择氧化,钌催化剂

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Abstract:

？在活性炭负载金属钌(Ru/C)催化剂上实现了5-羟甲基糠醛的高效选择氧化.以甲苯为反应溶剂,在383K和2.0MPaO2的反应条件下,2,5-呋喃二甲醛(DFF)收率高达95.8%.与活性炭负载的具有相似粒径的Pt,Rh,Pd,Au等其它贵金属催化剂相比,Ru/C具有更加优良的活性和DFF选择性.同时Ru/C催化剂结构稳定,具有良好的重复使用性能.在相似的反应条件下,采用水代替甲苯作为溶剂,同时添加少量水滑石固体碱,可便捷地将主要产物从DFF调变为5-甲酰基-2-呋喃甲酸或2,5-呋喃二甲酸,显示出Ru/C催化剂在控制5-羟甲基糠醛选择氧化反应产物方面的优异性能.

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