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گواهی نمایه سازی مقاله Ni2+ supported on hydroxyapatite-core@shell γ-Fe2O3 nanoparticles as new and green catalyst for the synthesis of 3,4-dihydropyrimidin-2(1H)- ones under solvent-free condition

عنوان مقاله: Ni2+ supported on hydroxyapatite-core@shell γ-Fe2O3 nanoparticles as new and green catalyst for the synthesis of 3,4-dihydropyrimidin-2(1H)- ones under solvent-free condition
شناسه (COI) مقاله: JR_ICC-1-1_002
منتشر شده در فصلنامه ارتباطات شیمی ایران در سال ۱۳۹۲
مشخصات نویسندگان مقاله:

Eshagh Rezaee Nezhad - Department of Chemistry, Payame Noor University, P.O. BOX 19395-4697, Tehran, Iran
Zahra Abbasi - Department of Chemistry, Payame Noor University, P.O. BOX 19395-4697, Tehran, Iran
Mojtaba Rahimi Moghaddam - Department of Chemistry, Payame Noor University, P.O. BOX 19395-4697, Tehran, Iran
Mohammad Ali Attaei - Department of Chemistry, Payame Noor University, P.O. BOX 19395-4697, Tehran, Iran

خلاصه مقاله:
The aim of this research is to study Ni2+ supported on hydroxyapatite-core-shell magnetic γ- Fe2O3 nanoparticles (γ-Fe2O3@HAp-Ni2+) as a green and recyclable catalyst for the Biginelli reaction under solvent-free conditions. One-pot multi-component condensation of 1,3-dicarbonyl compounds, urea and aldehydes at 80 oC affords the corresponding compounds in high yields and in short reaction times using γ-Fe2O3@HAp-Ni2+. The catalyst can be readily isolated using an external magnet and no obvious loss of activity was observed when the catalyst was reused in seven consecutive runs. The mean size and the surface morphology of the nanoparticles were characterized by transmission electron microscopy, scanning electron microscope, vibrating sample magnetometry, X-ray powder diffraction and Fourier transform infrared techniques.

کلمات کلیدی:
γ-Fe2O3, Ni2+ supported, nanoparticles, dihydropyrimidinone, solvent-free condition

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