Magnetic Core–Shell Nanoparticles Containing I−3 as a Novel Catalyst for the Facile Synthesis of Imidazole, Thiazole and Pyrimidine Derivatives in Solvent-Free Conditions
In the past quarter of the century, nanoparticle catalysts have attracted chemists’ attention because of their unique properties both in the reaction and workup. However, because of their simple separation, in addition to their nanosize advantages, their application have been developed more and more. On the other hand, most catalysts such as nanoparticles have some drawbacks in the usual separation methods, for instance, filtration or centrifugation. These general methods lead to loss of catalysts and products over the reaction and process steps. The magnetic nanoparticles can omit or improve many of these drawbacks. As a result of the advantages of using magnetic nanoparticles, some of them have been introduced in the organic chemistry and catalyst fields.
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Received: 28 May 2017 / Accepted: 21 August 2017
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