Copper ferrite nanoparticles: an effective and recoverable nanomagnetic catalyst for the synthesis of N, N ′,N ″‐trisubstituted guanidines from the addition reaction of anilines to carbodiimide
作者： Fatemeh Germaninezhad , Rahman Hosseinzadeh , Mahmood Tajbakhsh , Ali Beitollahi
关键词: Scanning electron microscope 、 Copper 、 Addition reaction 、 Catalysis 、 Fourier transform infrared spectroscopy 、 Ferrite (magnet) 、 Magnetic nanoparticles 、 Materials science 、 Powder diffraction 、 Nuclear chemistry
摘要: In this study, copper ferrite (CuFe 2 O 4 ) nanoparticles were successfully prepared and employed as an efficient catalyst for the synthesis of guanidine derivatives through addition anilines to N, N-dicyclohexylcarcodiimide under solvent-free conditions. This magnetically retrievable was well characterised by Fourier transform infrared spectroscopy, X-ray powder diffraction, transmission electron microscopy field emission scanning microscope-energy dispersive techniques. The can be readily recovered from reaction mixture use external magnet reused several times without remarkable loss its catalytic activity.
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