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ISSN : 1026-3098
e-ISSN : 2345-3605
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Publication Information : Volume 22 - Number 3 - Successive Number 3
Type : Article
Topics of Paper : Transactions on Chemistry
English Title : Fe2+supported on hydroxyapatite-core-shell-γ-Fe2O3nanoparticles: As a novel, efficient and magnetically-recoverable catalyst for the synthesis of dihydropyrimidinones derivatives
English Abstract : Fe2+supported on hydroxyapatite- core-shell magnetic γ-Fe2O3 nanoparticles (γ-Fe2O3@HAp-Fe2+ NPs) is reported as a novel, efficient, reusable and heterogeneous catalyst. In this protocol, we used this catalyst for the synthesis of 4-dihydropyrimidin-2(1H)-ones/thiones in good to high yields by the reaction of aromatic aldehyde, β-dicarbonyl and urea/thiourea under solvent free condition.The catalyst can be readily isolated by 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 TEM, SEM, VSM, XRD and FTIR techniques.
English Keywords : Magnetic nanoparticles, heterogeneous catalyst, solvent-free, Biginelli reaction, Fe2+ supported.
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Number Of Pages :
From 903 to 910


Authors :
The AuthorAuthor SequenceOrganizationOrganization ( english )AffiliationEmailEducation
Eshagh Rezaee Nezhad
(Author)
11Department of Chemistry, Payame Noor University, PO BOX 19395-4697 Tehran, Iran  e.rezaee66@yahoo.com 
Zahra Abbasi 2Young Researchers and Elite club, Ilam Branch, Islamic Azad University, Ilam, Iran    
Dr. Sami Sajjadifar 3Department of Chemistry, Payame Noor University, PO BOX 19395-4697 Tehran, Iran    
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