Oxidation of Benzene to Phenol with Hydrogen Peroxide Catalyzed by a Modified Titanium Silicalite (TS-1B)

✍ Scribed by Daniele Bianchi; Luigi Balducci; Rossella Bortolo; Rino D'Aloisio; Marco Ricci; Guido Spanò; Roberto Tassinari; Cristina Tonini; Raffaele Ungarelli

• Publisher: John Wiley and Sons
• Year: 2007
• Tongue: English
• Weight: 170 KB
• Volume: 349
• Category: Article
• ISSN: 1615-4150
• DOI: 10.1002/adsc.200600371

✦ Synopsis

Abstract

The hydroxylation of benzene to phenol with hydrogen peroxide was investigated using different solvents and a series of catalysts, obtained by modification of titanium silicalite (TS‐1). The best results were obtained after post‐synthesis treatment of TS‐1 with NH~4~HF~2~ and H~2~O~2~. The new catalyst (TS‐1B), used in the presence of a particular co‐solvent (sulfolane) is able to protect the produced phenol from over‐oxidation and dramatically enhanced the selectivity of the reaction.