Applied Catalysis A: General p. 231 - 236 (2014)
Update date:2022-08-11
Topics:
Jia, Xiuquan
Ma, Jiping
Wang, Min
Du, Zhongtian
Lu, Fang
Wang, Feng
Xu, Jie
The promoted effect of Cu(NO3)2 on aerobic oxidation of 5-hydroxymethylfurfural (HMF) to 2,5-diformylfuran (DFF) catalyzed by VOSO4 in acetonitrile was intensively investigated. It was revealed that Cu(NO3)2 facilitated the activation of VOSO 4 to generate active V5+ species via the generation of NOx gas. The high DFF selectivity is ascribed to Cu2+ cation which can effectively prohibit oxidative CC bond cleavage reaction of HMF and prevent radical reaction of DFF to humins. In addition, the polarity of solvent plays a great role on high selectivity of DFF.
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