ChemInform Abstract: Strategies to Improve the Epoxidation Activity and Selectivity of Ti‐MCM‐41.

Abstract

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Direct synthesis of organically modified Ti-SBA-15 materials

“…One of the most extended solutions for this disadvantage is the surface hydrophobization of titanium-containing silica-based materials, in order to reduce the interaction of silanol groups with oxidants and thus, decreasing the non-oxidative reactions. For this purpose different strategies, all of them based on the use of organosilicon species as hydrophobization agents, have been employed, from the simplest post-synthetic silylation [20] to the preparation of hybrid organic-inorganic mesoporous organosilicas [21], [22]. Organic functionalization of mesostructured materials can be accomplished, like in the case of the immobilization of titanium species, by using different synthetic methologies [23]: post-synthetic treatments and direct synthesis procedures.…”