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
作者:Devinder Kumar、Ashok Kumar、Mahavir Parshad、Rakesh Gupta
DOI:10.1055/s-0028-1088055
日期:2009.5
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. hypervalent iodine reagents - 1,2-diaminobenzimidazole - 1,2,4-benzotriazine - 2-aryl-1,2,4-triazolo[1,5-a]benzimidazoles
描述了高价碘介导的1,2-二氨基苯并咪唑及其席夫碱的氧化。该反应有效地产生了3-氨基-1,2,4-苯并三嗪和2-芳基-1,2,4-三唑并[1,5- a ]苯并咪唑。 高价碘试剂-1,2-二氨基苯并咪唑-1,2,4-苯并三嗪-2-芳基-1,2,4-三唑并[1,5- a ]苯并咪唑