Breakthrough in Nanotechnology: Researchers Develop Efficient Catalytic Reaction

Researchers from Bodoland University in Assam, India, have made significant strides in the field of nanotechnology, discovering a novel heterogeneous catalyst for the Hofmann degradation of amides to amines. This innovative method utilizes glycol-reduced bentonite-supported metal nanoparticles, specifically ruthenium and copper, to achieve a reaction efficiency of 62% within approximately 1.5 hours. The study highlights the effectiveness and stability of the ruthenium nanoparticles, demonstrating their potential for industrial applications.

Key Takeaways:

  • The Hofmann degradation reaction converts amides into primary amines, essential intermediates in various industrial processes.
  • The researchers utilized bentonite-supported metal nanoparticles, specifically ruthenium and copper, as catalysts for the Hofmann degradation of benzamide to phenylamine.
  • The successful synthesis of Ru and Cu nanoparticles was confirmed through X-ray photoelectron spectroscopy (XPS), with binding energy values of 283 eV for Ru3d5/2 and 933 eV for Cu2p3/2.
  • The research demonstrated that bentonite-supported ruthenium nanoparticles (Bent/Ru-NPs) achieved a reaction efficiency of 62% within 1.5 hours at a catalyst dosage of 0.005 g.
  • The ruthenium nanoparticles showed catalytic stability over four consecutive cycles, maintaining significant activity.
  • The study highlights the potential of bentonite-supported metal nanoparticles as a novel heterogeneous catalyst for industrial applications.

Statistics:

  • Reaction efficiency: 62%
  • Time for reaction: approximately 1.5 hours
  • Catalyst dosage: 0.005 g
  • Number of consecutive cycles: 4
  • Binding energy values for Ru3d5/2 and Cu2p3/2: 283 eV and 933 eV, respectively

Sources:

  • NewsRx. Researchers from Bodoland University Detail Findings in Nanoparticles (Facile Catalysis Using Glycol-reduced Bentonite/metal Nanoparticles As a Novel Heterogeneous Catalyst for the Hofmann Degradation of Amides To Amines). Journal of Technology & Science. October 19, 2025; p 4361.
  • Pleiades Publishing Inc, Pleiades House, 7 W 54 St, New York, Ny, United States (publisher of Kinetics and Catalysis)
  • Facile Catalysis Using Glycol-reduced Bentonite/metal Nanoparticles As a Novel Heterogeneous Catalyst for the Hofmann Degradation of Amides To Amines, Kinetics and Catalysis, 2025