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صفحه اصلی
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بیست و نهمین کنفرانس شیمی آلی ایران
Polyoxometalate immobilized on graphene oxide as catalyst for the epoxidation of olefins
نویسندگان :
Seyedeh Soghra Hosseini Motlagh ( دانشگاه یاسوج ) , Ali Zarnegaryan ( دانشگاه یاسوج )
کلید واژه ها :
graphene oxide،epoxidation of olefins،Anderson-type polyoxometalate
چکیده مقاله :
Abstract The development of effective catalytic epoxidation processes that are an alternative to stoichiometric non-selective oxidation routes is important to meet environmental sustainability goals. In this work, a new, recoverable and heterogeneous catalyst was prepared by covalent attachment of the Polyoxometalates onto graphene oxide via the amide linkages. The catalytic activity of this catalyst was investigated in the epoxidation of olefins with tert-butyl hydroperoxide. The catalyst is of great reusability and stability in the epoxidation reactions. The result shows that hybrid catalyst base graphene oxide performed high activity in the benzimidazoles owing to the unique state of support of GO and the polyoxometalate.
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