Preparation of silica-immobilized titanium-containing silsesquioxane catalysts and activity for the epoxidation of alkenes

Silsesquioxanes containing tetrapodal titanium species and alkenylsilyl groups were immobilized onto dimethylsilyl-functionalized silica having mesopores by chemical tethering via hydrosilylative reaction in the presence of a Pt catalyst. The immobilized catalysts showed higher activity than their c...

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Veröffentlicht in:	Chemical engineering science 2008-10, Vol.63 (20), p.4917-4923
Hauptverfasser:	Wada, Kenji, Watanabe, Naoki, Kondo, Teruyuki, Mitsudo, Take-aki
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Catalysis Catalytic reactions Chemical engineering Chemistry Epoxidation of alkenes Exact sciences and technology Filtration General and physical chemistry Hydrogen peroxide Hydrosilylation Liquid-liquid and fluid-solid mechanical separations Reactors Tethered catalysts Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry Titanium-containing silsesquioxane
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