Abstract
Mild and heterogeneous oxidation of urazoles to their corresponding triazolinediones using molybdatophosphoric acid
Author(s): Hossein Nasr-Isfahani, Mohammad Ali Zolfigol, Shadpour Mallakpour, Zahra Kalantar, Hossein MighaniA combination ofmolybdatophosphoric acid and NaNO2 in the presence of wet SiO2 is used as an effective oxidizing agent for the oxidation of urazoles and bis-urazoles to their corresponding triazolinediones under mild and heterogeneous conditions with moderate to excellent yields.
