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Title
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Chiral oxo-vanadium (+)-pseudoephedrine complex immobilized on magnetic nanoparticles: A highly efficient and recyclable novel nanocatalyst for the chemoselective oxidation of sulfides to sulfoxides using H2O2
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Type
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JournalPaper
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Keywords
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Sulfides, Sulfoxides, Hydrogen peroxide, Oxo-vanadium (+)-pseudoephedrine complex, Magnetically catalyst
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Abstract
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The first chiral oxo-vanadium (+)-pseudoephedrine complex supported on magnetic nanoparticles Fe3O4 [VO(pseudoephedrine)@MNPs] as novel magnetically interphase nanocatalyst was designed and charac-terized using the most common techniques. VO(pseudoephedrine)@MNPs catalyzed the chemoselective oxidation of sulfides to sulfoxides using hydrogen peroxide as a green oxidant in high yields with 20–27% enantiomeric excesses under solvent-free conditions at room temperature. The catalyst was recycled up to 20 times with little loss of activity and enantioselectivity.
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Researchers
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bahareh atashkar (Second Researcher), Amin Rostami (First Researcher)
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