Concepedia

Hypervalent Iodine Mediated Oxidation of 1,2-Diaminobenzimidazole and Its Schiff Bases: Efficient Synthesis of 3-Amino-1,2,4-benzotriazine and 2-Aryl-1,2,4-triazolo[1,5-a]benzimidazoles

Devinder Kumar, Ashok Kumar, Mahavir Parshad, Rakesh Kumar Gupta

Synthesis · 2009 · 14 citations · 0 references

Concepts

Natural SciencesChemistryMedicinal ChemistryOrganic ChemistryHeterocycle SynthesisBenzimidazole ChemistryBenzimidazole SynthesisBenzothiazole SynthesisTriazole ChemistryTriazole Synthesis

Abstract

Hypervalent iodine mediated oxidation of 1,2-diaminobenzimidazole and its Schiff bases is described. The reaction produces 3-amino-1,2,4-benzotriazine and 2-aryl-1,2,4-triazolo[1,5-a]benzimidazoles efficiently.