Abstract
Titanium silicalites synthesized via different procedures are tested in the oxidation of phenol, l-octene and n-hexane by aqueous H2O2. It is shown that the presence of titanyl groups, on which H2O2 is activated by formation of titanium peroxo complexes, is a prerequisite for oxygenation activity. Furthermore, in order to afford high selectivities, titanium silicalites should be free of impurities which cause acid catalyzed side reactions or H2O2 decomposition.
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Huybrechts, D.R.C., Vaesen, I., Li, H.X. et al. Factors influencing the catalytic activity of titanium silicalites in selective oxidations. Catal Lett 8, 237–244 (1991). https://doi.org/10.1007/BF00764122
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DOI: https://doi.org/10.1007/BF00764122