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The first report on the catalytic oxidation of urazoles to their corresponding triazolinediones via in situ catalytic generation of Br using periodic acid or oxone/KBr system |
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| Authors: | Mohammad Ali Zolfigol Mojtaba Bagherzadeh Shadpour Mallakpour Gholamabbas Chehardoli Arash Ghorbani-Choghamarani Nadiya Koukabi Mina Dehghanian Mahmoudreza Doroudgar |
| Institution: | aFaculty of Chemistry, Bu-Ali Sina University, P.O. Box 6517838683, Hamadan, Iran bDepartment of Chemistry, Sharif University of Technology, P.O. Box 11395-9516, Tehran, Iran cOrganic Polymer Chemistry Research Laboratory, College of Chemistry, Isfahan University of Technology, Isfahan 84156, Iran |
| Abstract: | A combination of periodic acid or oxone® and a catalytic amount of KBr in the presence of few drops of water, were used for the catalytic oxidation of urazoles and bis-urazoles to their corresponding triazolinediones under mild and heterogeneous conditions with moderate to excellent yields. |
| Keywords: | Urazoles Bis-urazoles Triazolinediones Periodic acid Oxone® Potassium bromide Catalytic oxidation Heterogeneous conditions |
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