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۱Multi–component, one–pot, aqueous media preparation of dihydropyrano[3, 2–c]chromene derivatives over MgO nanoplates as an efficient catalyst
اطلاعات انتشار: Iranian Journal of Catalysis، ششم،شماره۳، ۲۰۱۶، سال
تعداد صفحات: ۷
Red pine leafs were applied for the green method preparation of MgO nano–plates. The MgO nano–plates were used for the one–pot synthesis of dihydropyrano [3,2–c] chromene derivatives. This procedure is very simple and affords excellent yields.MgO nanoplates were synthesized via a simple precipitation method with the using of an extract solution of red pine leaves. The XRD pattern shows a cubic phase ofMgO .Field Emission Scanning Electronic Microscopy (FE–SEM) shows clearly that the surface of the as–prepared MgO nano–plates have a homogeneous microstructure made up of layers of various sizes and forms. The plates form irregular grains with a lateral size of 40–110 nm.
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