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Abstract
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In this work, [Fe3O4@SiO2(CH2)3][DABCO-H][C(CN)3]2 was prepared, identified by various analyses such as FT-IR, EDX, SEM coupled EDX (SEM mapping), XRD, FE-SEM, TEM, TGA, DTG, ICP and VSM and used as a nanomagnetic catalyst for the synthesis of henna-based benzopyrazolo[3,4-b]quinolindiones via cooperative vinylogous anomeric based oxidation under solventfree condition. Some of these products are new and reported for the first time.
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