Magnetite nanoparticles catalyzed preparation of isatin ketals under solvent free conditions promoted by ultrasound irradiation |
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| Affiliation: | 1. Department of Chemistry, Faculty of Sciences, University of Guilan, P.O. Box 41335-1914, Iran;2. Department of Chemistry, Rasht Branch, Islamic Azad University, Rasht, Iran;3. Behvazan Pharmaceuticals, Industrial City of Rasht, Iran |
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| Abstract: | Fe3O4 magnetic nanoparticles (MNPs) were synthesized via chemical precipitation method and used as an efficient and recyclable catalyst in ketalization of isatins. It was found that a solvent free process, under irradiation of sonic waves provides good to excellent yields of the desired ketals. |
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| Keywords: | Iron Nanostructure Protecting group Ultrasound Isatin Ketal |
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