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Polycyclic Aromatic Compounds Volume 39, 2019 - Issue 5
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Articles

NiFe2O4@SiO2–PPA Nanoparticle: A Green Nanocatalyst for the Synthesis of β-Acetamido Ketones

Amir KhojastehnezhadYoung Researchers and Elite Club, Mashhad Branch, Islamic Azad University, Mashhad, IranCorrespondence[email protected]
,
Farid MoeinpourDepartment of Chemistry, Bandar Abbas Branch, Islamic Azad University, Bandar Abbas, Iran
&
Ali JavidDepartment of Chemistry, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran
Pages 404-412 | Received 10 Jun 2016, Accepted 22 May 2017, Published online: 13 Jun 2017
 
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ABSTRACT

In this work, silica coated magnetic nanoparticles of modified polyphosphoric acid (NiFe2O4@SiO2–PPA deigned as NFS–PPA) represent as a reusable and green catalyst for one-pot four-component synthesis of β-acetamido ketones at room temperature under solvent-free conditions. This catalyst was synthesized and characterized by X-ray diffractions, transmission electron microscopy, scanning electron microscopy and vibrating sample magnetometry. The magnetic catalyst can be easily removed by a simple magnet and reused up to five times without any loss of its high catalytic activity. In addition to facility, this protocol enhances product purity and promises economic and also environmental profits.

Acknowledgments

The authors are grateful to the Mashhad Branch of Islamic Azad University for financial support.

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