ON1C(=O)N(O)C(=O)N(O)[C:3]1=[O:12].[C:13]([OH:16])(=[O:15])[CH3:14].[O:17]=O.[CH3:19][C:20]1C=C[C:23](C)=[CH:24][CH:25]=1>C([O-])(=O)C.[Co+2].C([O-])(=O)C.C([O-])(=O)C.[Mn+2].C([O-])(=O)C>[C:3]([OH:12])(=[O:17])[C:25]1[CH:24]=[CH:23][C:14]([C:13]([OH:16])=[O:15])=[CH:19][CH:20]=1
A mixture of 0.212 g of p-xylene, 0.011 g of hexahydro-1,3,5-trihydroxy-1,3,5-triazine-2,4,6-trione (3% by mole relative to p-xylene), 0.013 g of N,N′-diacetoxypyromellitdiimide (2% by mole relative to p-xylene), 5 g of acetic acid, 0.003 g of cobalt(II) acetate.4H2O and 0.003 g of manganese(II) acetate.4H2O was stirred at 100° C. in an atmosphere of oxygene gas (1 atm=0.1 MPa) for 14 hours. The resulting product in the reaction mixture was analyzed by high performance liquid chromatography and was found to yield terephthalic acid in 97% yield at 100% conversion of p-xylene.
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