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A core-shell-satellite structured Fe3O4@MS-NH2@Pd nanocomposite: a magnetically recyclable multifunctional catalyst for one-pot multistep cascade reaction sequences. | LitMetric

A core-shell-satellite structured Fe3O4@MS-NH2@Pd nanocomposite: a magnetically recyclable multifunctional catalyst for one-pot multistep cascade reaction sequences.

Nanoscale

Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Laboratory of Molecular Nanostructures and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing,100190, P. R. China.

Published: January 2014

AI Article Synopsis

  • - The study describes a composite system named Fe3O4@MS-NH2@Pd, which includes palladium (Pd) nanoparticles on amino-functionalized mesoporous silica (MS-NH2) and superparamagnetic iron oxide (Fe3O4) inside the silica.
  • - This composite combines the benefits of both the catalytic properties of Pd nanoparticles and amino groups, as well as the superparamagnetic qualities of Fe3O4, creating a multifunctional nanocatalyst.
  • - It demonstrates high efficiency in catalyzing the synthesis of α-alkylated nitriles through a simple one-pot multistep reaction, achieving excellent catalytic activity, selectivity, and stability under mild conditions.

Article Abstract

A hierarchical core-shell-satellite structured composite system Fe3O4@MS-NH2@Pd, which was composed of Pd nanoparticles well-dispersed on an amino group functionalized mesoporous silica (MS-NH2) nanosphere, and superparamagnetic Fe3O4 nanoparticles scattered inside the silica sphere, was prepared by using a facile procedure. The composite combined the catalytic properties of amino groups and Pd nanoparticles with superparamagnetic properties of magnetite into a single platform. This integrated nanosystem acted as an efficient magnetically recyclable noble metal-base multifunctional nanocatalyst and showed excellent catalytic activity, selectivity and stability for the direct synthesis of α-alkylated nitriles under mild conditions through facile one-pot multistep cascade reaction sequences.

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Source
http://dx.doi.org/10.1039/c3nr04427kDOI Listing

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