One Pot Synthesis of 1,2-Disubstituted Benzimidazole Derivatives Using C-SO3H Catalyst

Author(s)	Gunasekaran Sankar, Appaswami Lalitha
Country	India
Abstract	We have described an efficient method for the synthesis of 1,2- disubstituted benzimidazole derivatives from various aldehydes and o-phenylenediamine using ethanol as a solvent using C-SO3H as a catalyst at reflux conditions. All the synthesized compounds were characterized by FT-IR, 1H NMR and 13C NMR techniques. The thermally and chemically stable, metal free, functionalized green C-SO3H catalyst was obtained by in-situ partial carbonization and sulfonation of glycerol with sulfuric acid and the nature of the catalyst was confirmed by SEM, EDX and XRD techniques
Keywords	Carbon-SO3H, Green catalyst, 1,2 disubstituted Benzimidazoles, Heterogenous catalyst.
Field	Chemistry
Published In	Volume 5, Issue 4, July-August 2023
Published On	2023-07-15
DOI	https://doi.org/10.36948/ijfmr.2023.v05i04.4413
Short DOI	https://doi.org/gshm9h

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