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

[摘要]：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.

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