Copper oxide nanoparticles decorated on nitrogen doped carbon hollow and their catalytic activities in synthesis of propargylamines and reduction of nitroarenes

M. Dabiri*, R. Nikbakht, S. K. Movahed (2021) (Reaction Kinetics, Mechanisms and Catalysis) 134, 793

https://doi.org/10.1007/s11144-021-02091-9

Abstract

Copper-nitrogen catalyst was synthesized by the direct carbonization of the copper complex on the zeolitic imidazolate framework (ZIF-8). The catalytic activity of the carbonized material was evaluated by the synthesis of propargylamines via the A³ coupling reaction of aldehydes, arylacetylene, and secondary amines under the solvent-free (SV) condition and in a short time. Furthermore, the synthesized hollow catalyst displayed a favorable catalytic activity for the reduction of the nitroarenes to anilines in the presence of sodium borohydride (NaBH₄) as a reducing agent. The synthesized nanostructures can be easily reused for seven consecutive reaction runs without a considerable decrease in the catalytic activity.