Silica Sulfuric Acid/ NaNO2 as a Novel Heterogeneous System for the Oxidation of Urazoles Under Mild Conditions

M. A. Zolfigol, G. Chehardoli and S. E. Mallakpour, Syn. Commun. 2003, 33(5), 833-841. Silica Sulfuric Acid/ NaNO₂ as a Novel Heterogeneous System for the Oxidation of Urazoles Under Mild Conditions.