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DOI: 10.1039/A806702C (Paper) Reference Section for: Chem. Commun., 1998, 2211-2212

Strategies to improve the epoxidation activity and selectivity of Ti-MCM-41

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Avelino Corma, Marcelo Domine, José A. Gaona, José L. Jordá, María T. Navarro, Fernando Rey, Joaquin Pérez-Pariente, Junpei Tsuji, Beth McCulloch and Laszlo T. Nemeth

Abstract

Two strategies to improve the catalytic activity of Ti-MCM-41 materials in the epoxidation of olefins are described; the first approach involves silylation of the surface of Ti-MCM-41 which produces a very hydrophobic catalyst whereas the second approach is based on removal of water from the reaction media; the increase in activity is not due to a change in the intrinsic activity of the Ti sites, but rather to a decrease of the catalyst deactivation by reducing the formation of diols produced by ring opening of the epoxide.

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