RSC Advances
Paper
phase selective oxidation of ethylbenzene with TBHP under 14 M. B. Gawande, A. Goswami, F. X. Felpin, T. Asefa, X. Huang,
solvent-free condition. The heterogeneous catalyst was found to
be highly active as compared to its homogeneous counter parts
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116, 3722–3811.
in our experimental conditions. In the oxidation of ethyl- 15 C. Adhikary, R. Bera, B. Dutta, S. Jana, G. Bocelli, A. Cantoni,
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and 80.5% conversion of ethylbenzene under optimized reac- 16 L. H. Abdel-Rahman, A. M. Abu-Dief, M. S. S. Adam and
tion conditions, representing a very promising result. Aceto- S. K. Hamdan, Catal. Lett., 2016, 146, 1373–1396.
phenone was the major product and can be isolated from 17 P. Roy and M. Manassero, Dalton Trans., 2010, 39, 1539–
reaction mixture with 92% purity. Essentially pure acetophe- 1545.
none was isolated in 80.21% yield. The catalyst was heteroge- 18 P. Sarmah, R. K. Barman, P. Purkayastha, S. J. Bora,
neous, stable and can be recycled up to seven cycles without
signicant loss of catalytic activity.
P. Phukan and B. K. Das, Indian J. Chem., Sect. A: Inorg.,
Phys., Theor. Anal., 2009, 48, 637–644.
19 A. Ghorbani-Choghamarani, Z. Darvishnejad and
M. Norouzi, Appl. Organomet. Chem., 2015, 29, 170–175.
20 B. Li, X. Luo, Y. Zhu and X. Wang, Appl. Surf. Sci., 2015, 359,
609–620.
21 T. H. Bennur, D. Srinivas and S. Sivasanker, J. Mol. Catal. A:
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Conflicts of interest
There are no conicts to declare.
Acknowledgements
22 S. Gago, S. M. Bruno, D. C. Queiros, A. A. Valente,
I. S. Goncalves and M. Pillinger, Catal. Lett., 2011, 141,
1009–1017.
23 M. M. Peng, H. T. Jang and M. Palanichamy, Int. J. Control
Autom., 2013, 6, 1–12.
24 M. R. Maurya, S. Sikarwar, T. Joseph, P. Manikandan and
S. B. Halligudi, React. Funct. Polym., 2005, 63, 71–83.
25 M. R. Maurya, A. Arya, P. Adao and J. C. Pessoa, Appl. Catal.,
A, 2008, 351, 239–252.
The authors are thankful to University Grant Commission New
Delhi, India, for nancial support {(UGC-SAP: No. F.540/13/
DRS-I/2016 (SAP-I)) and (UGC-RGNF: F1-17.1/2016-17/RGNF-
2015-17-SC-MAD-19994/SAIII/Website)}, Head, School of
Chemical Sciences, UGC-DAE Consortium of Scientic
Research, Devi Ahilya University Indore for providing SEM,
XRD, and EDX facilities and Central Salt and Marines Chemical
Research Institute (CSMCRI), Bhavnagar, Gujarat for providing
BET surface area, GC-MS facilities and STIC Cochin for
providing ICP-AES, DRUV-Vis facility.
´
´
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26 D. Carriazo, M. del Arco, E. Garcıa-Lopez, G. Marcı,
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28 D. Carriazo, M. Del Arco, C. Martın and V. Rives, Appl. Clay
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