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Retracted Article: Pt NPs@GO as a highly efficient and reusable catalyst for one-pot synthesis of acridinedione derivatives†
Abstract
Graphene oxide decorated with platinum nanoparticles (Pt NPs@GO) has been used for the first time as a highly stable, exceptionally reusable, isolable, bottleable, long-lived and highly efficient catalyst for the synthesis of acridinedione derivatives from dimedone, aromatic aldehydes and various amines with great catalytic performance. All the acridinedione compounds were synthesized in DMF in a single process through two successive reactions (aldol condensation and Michael addition) in the presence of highly efficient Pt NPs@GO. The synthesized catalyst was characterized by transmission electron microscopy (TEM), high resolution electron microscopy (HRTEM), X-ray diffraction (XRD), atomic force microscopy (AFM) and X-ray photoelectron spectroscopy (XPS). All products obtained using Pt NPs@GO were characterized by FT-IR, 1H-NMR, 13C-NMR and HRMS techniques.
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