A Convenient Method for the Oxidation of Urazoles to Their Corresponding Triazolinediones Under Mild and Heterogeneous Conditions with Sodium Nitrite and Oxalic Dihydrate |
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| Authors: | Mohammad Ali Zolfigolo Shadpour E. Mallakpour |
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| Affiliation: | 1. Chemistry Department , College of Science, Bu-Ali Sina University , Hamadan, 65174, Iran;2. Organic Polymer Chemistry Research Laboratory, College of Chemistry, Isfahan University of Technology , Isfahan, 84356, IR, Iran |
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| Abstract: | A combination of oxalic acid dihydrate and sodium nitrite in the presence of wet SiO2, was used as an effective oxidizing agent for the oxidation of urazoles and bisurazoles to their corresponding triazolinediones at room temperature with good yieldr. |
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