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Information Journal Paper

Title

METAL-FREE CATALYTIC OXIDATION OF URAZOLES UNDER MILD AND HETEROGENEOUS CONDITIONS VIA COMBINATION OF AMMONIUM NITRATE AND CATALYTIC AMOUNTS OF SILICA SULFURIC ACID

Pages

  834-839

Abstract

 Highly efficient production of 4-substituted-1, 2, 4-triazole-3, 5-diones from URAZOLE derivatives using AMMONIUM NITRATE and SILICA SULFURIC ACID (SiO2-OSO3H), as a cheap and nontoxic catalyst, in the presence of wet SiO2 (50% w/w) under mild and heterogeneous conditions is reported. The process presented here is operationally simple, environmentally benign and produces high yield.

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