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Thiourea nitrate(TN) was easily prepared from thiourea and nitric acid to explore its use as a new nitration reagent. Nitrations of various aromatic compounds utilizing TN in concentrated sulfuric acid were studied. TN could convert aromatic compounds to the corresponding nitrated derivatives with various abnormal yields under mild conditions. The results suggested that the reaction mechanism might be different from those of traditional nitration reagents.
Thiourea nitrate (TN) was easily prepared from thiourea and nitric acid to explore its use as a new nitration reagent. TN could convert aromatic compounds to the corresponding nitrated derivatives with various abnormalities. TN yield under mild conditions. The results suggested that the reaction mechanism might be different from from of traditional nitration reagents.