Catalytic oxidation of urazoles and bis-urazoles to their corresponding triazolinediones using aluminium nitrate and a catalytic amount of silica sulfuric acid.

A. Ghorbani-Choghamarani, M. Hajjami, H. Goudarziafshar, M. Nikoorazm, S. Mallakpour, F. Sadeghizadeh, G. Azadi, Monatsh Chem, 2009, 140, 607-610. Catalytic oxidation of urazoles and bis-urazoles to their corresponding triazolinediones using aluminium nitrate and a catalytic amount of silica sulfuric acid.