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COMMUNICATION
Journal Name
a
Reaction conditions: catalyst (1.2 μmol), sulfide (2 mmol), H
2
O
2
(30% aq., 2
5
6
7
8
9
mmol), water (3 mL), 298 K. Conversions and selectivities were determined by GC
using an internal standard technique and are based on sulfides. The by-products
were the corresponding sulfones. TON = molar of product/molar of catalyst
used. Reuse experiment of cycle 1. Reuse experiment of cycle 2.
Commun., 2016, DOI: 10.1039/C6CC02728H.
DOI: 10.1039/C6NJ03218D
b
F. Y. Song, Y. Ding, B. C. Ma, C. M. Wang, Q. Wang, X. Q. Du,
S. Fu and J. Song, Energy Environ. Sci., 2013, 6, 1170.
X. Q. Du, Y. Ding, F. Y. Song, B. C. Ma, J. W. Zhao and J. Song,
Chem. Comm., 2015, 51, 13925.
c
d
e
4
-
1
,2-H SiV W O ] ) is mainly responsible for the catalytic
L. Yu, X. Q. Du, Y. Ding, H. L Chen and P. P. Zhou, Chem.
Commun., 2015, 51, 17443.
2
2
10 40
activity, and the group of -SO H in the cation also promotes
the catalysis. Based on the above results and according to the
reference
catalytic system was proposed for the selective oxidation of
sulfides in water (shown in Supporting Information). An active
vanadium oxygen species was formed when the catalyst reacts
with hydrogen peroxide in water, which plays an important
role in the oxidation of sulfides.
3
C. Venturello and R. D’Aloisio, J. Org. Chem., 1988, 53, 1553.
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Figure 4 IR spectra of n-CeMe N-PS (a), the fresh catalyst of CeMe N-PS-SiV W10 (b) and
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In conclusion, a green and reusable catalytic system for
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performed in water at room temperature with hydrogen
peroxide catalyzed by a hybrid catalyst. The obtained organic
products with high yields can be separated easily from
aqueous system after reaction, and the system can be used
2
2
5
5
several times with retention of the catalytic performance. The 27 A. Haimov, H. Cohen and R. Neumann, J. Am. Chem. Soc.,
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A. Rezaeifard, R. Haddad, M. Jafarpour and M. Hakimi, ACS
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catalytic system described in this work is environmentally
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Acknowledgements
This work was financially supported by the National Natural
Science Foundation of China (Grant No. 21443007) and the
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