Paper
Catalysis Science & Technology
V units in α-CuV2O6 account for the remarkable activity. The
combination of α-CuV2O6 with the hydrophilic MPIL-derived
solid acid P(EVPI-Br) serves as an efficient binary catalyst in
the direct synthesis of DFF from fructose in a one-pot and
one step process, providing a DFF yield of 63.1% at 135 °C
and 3.5 h. Two advantages are responsible for such efficient
catalysis: 1) the enhanced adsorption of fructose on hydro-
philic P(EVPI-Br) and 2) the preferential adsorption and
timely and efficient oxidation of HMF on α-CuV2O6. After re-
action, the catalyst can be facilely recovered and reused,
exhibiting excellent reusability in synthesizing DFF directly
from fructose.
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Acknowledgements
This work was supported by the National Natural Science
Foundation of China (Nos. U1662107, 21476109, 21136005
and 21303084), the Jiangsu Provincial Science Foundation for
Youths (No. BK20130921 and BK20160976), the Specialized
Research Fund for the Doctoral Program of Higher Education
(No. 20133221120002), the China Postdoctoral Science Foun-
dation (2016 M590447), and the Project of Priority Academic
Program Development of Jiangsu Higher Education Institu-
tions (PAPD).
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