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Synthesis, characterization and catalytic property of chiral oxo-vanadium (+)-pseudoephedrine complex supported on magnetic nanoparticles Fe3O4 in the cyanosilylation of carbonyl compounds

Authors
Journal
Catalysis Communications
1566-7367
Publisher
Elsevier
Identifiers
DOI: 10.1016/j.catcom.2014.08.029
Keywords
  • Carbonyl Compounds
  • Tmscn
  • Oxovanadium–(+)-Pseudoephedrine Complex
  • Magnetically Catalyst

Abstract

Abstract Vanadium complex of pseudoephedrine immobilized on magnetic nanoparticle Fe3O4[VO(Pseudoephedrine)@MNPs] was prepared and characterized by UV–vis, SEM, XRD, TGA, EDX, FT-IR, AGFM and elemental analysis techniques. VO(Pseudoephedrine)@MNPs was found to catalyze the cyanosilylation of carbonyl compounds using TMSCN in good yields with 8–25% enantiomeric excesses under solvent-free conditions at room temperature. The catalyst was recycled up to 15 times with little loss of activity and enantioselectivity.

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