乙酰丙酸
催化作用
钌
化学
产量(工程)
水溶液
溶剂
有机化学
核化学
材料科学
冶金
作者
Jingjing Tan,Jinglei Cui,Tiansheng Deng,Xiaojing Cui,Guoqiang Ding,Yulei Zhu,Yongwang Li
出处
期刊:Chemcatchem
[Wiley]
日期:2014-12-12
卷期号:7 (3): 508-512
被引量:117
标识
DOI:10.1002/cctc.201402834
摘要
Abstract A highly efficient and green process for the hydrogenation of biomass‐derived levulinic acid (LA) to γ‐valerolactone (GVL) has been developed. GVL was obtained in a yield of 99.9 mol % with a turnover frequency as high as 7676 h −1 in aqueous medium by using a Ru/TiO 2 catalyst under mild reaction conditions (70 °C). The strong interaction between Ru and TiO 2 facilitated both the dispersion of Ru nanoparticles and the stability of the catalyst. In addition, as solvent, water participated in the hydrogenation of LA, which was confirmed by an isotope‐ labeling experiment with D (D 2 O). Specifically, the H atom(s) in water took part in the hydrogenation of the CO group of LA, which promoted the catalytic activity and GVL yield remarkably.
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