Unexpected Formation of 5-Nitro-1<i>H</i>-benzimidazoles by Nucleophilic Recyclization of 1-Methyl-5-nitropyridinium Salts
作者:Galina P. Sagitullina、Anna K. Garkushenko、Alexey N. Novikov、Reva S. Sagitullin
DOI:10.1002/jhet.1876
日期:2014.11
has been described via domino anionic process rearrangement of 3‐benzoylamino‐1,2‐dimethyl‐5‐nitropyridinium salts in the presence of NaOH water–alcohol solution. Substituted N‐benzoyl‐o‐phenylenediamines was obtained via recyclization of 3‐benzoylamino‐1,2‐dimethyl‐5‐nitropyridinium salts in the presence of aqueous methylamine solution.