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E-Journal of Chemistry
Volume 6, S1, Pages S324-S328

Synthesis and Characterization of Titanium Supported on High Order Nanoporous Silica and Application for Direct Oxidation of Benzene to Phenol

Alireza Badiei, Javad Gholami, and Yeganeh Khaniani

School of Chemistry, College of Science, University of Tehran, Iran

Received 8 May 2009; Accepted 5 July 2009

Copyright © 2009 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Direct oxidation of benzene to phenol in liquid phase by H2O2 peroxide was examined over Ti/ LUS-1 catalyst in methanol and acetic acid as solvents. The maximum yield and selectivity of the phenol produced was obtained in the presence of acetic acid. It can be attributed to the stabilization of H2O2 as peroxy acetic acid species in the radical mechanism for this reaction. Acetic acid interacts with hydrogen peroxide over Ti/LUS-1 and produces acetoxy radicals.