Nitrogen-doped carbon supported nanocobalt for the synthesis of functionalized triazines via oxidative cleavage of biomass derived vicinal diols as carbon synthons

Abstract

The efficient conversion of renewable biomass resources into value-added nitrogen-containing chemicals has become the focus of recent research. Herein, we report the preparation of nitrogen-doped carbon supported cobalt catalysts comprising a unique core−shell structure, and the regulation of their catalytic behavior in the dehydrocyclization reaction. Abundant biomass-derived diols were employed as carbon synthons to react with amidines, and they furnished structurally diverse 1,3,5-triazines, a class of compounds found in numerous natural and biomedical products. The synthetic protocol has the advantages of a broad substrate scope, good functional group tolerance, a reusable metal catalyst, and easily available reactants. The method is convenient and practical for the synthesis of versatile triazines with advantageous biological and physical properties.