Preparation of Cerium Oxide Nanoparticles: An Efficient Catalyst to the Synthesis of Dimeric Disulphide Schiff Bases
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Tarih
2017
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info:eu-repo/semantics/openAccess
Özet
Dimeric disulphide Schiff bases were synthesized via reactions of 2,2’-diaminodiphenyl disulphide with various aromatic aldehydes under reflux and prepared nano?sized cerium oxide as catalyst. It was observed that, when nanocatalyst was used, the catalyst could be reduced the reaction time and increased yields compared with the none-catalyst conditions. Moreover, the CeO2 nanocatalyst was easy preparation, non-hazardous, ecofriendliness and low cost. The morphological features of CeO2 nanocatalyst were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray (EDX). The structures of ligands were illuminated some techniques such as fourier transform infrared (FT-IR), nuclear magnetic resonance (NMR) spectroscopy and thermogravimetric analysis (TGA) / differential thermal analysis (DTA)
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13
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1
