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Ti/SiO 2 (or Ti/de[B]SiO 2 ) catalysts were prepared by grafting deboronated silica xerogel with gaseous TiCl 4 . Using TBHP as oxidant, the Ti/de[B]SiO 2 catalyst shows both catalytic activity and selectivity in epoxidation of cyclohexene better than 80%, and the activity can be comparable with that of Ti-β. The catalytic activity of Ti/de[B]SiO 2 strongly...
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