AU(III) AND CU(II) CATALYST FOR OXIDATION OF AROMATIC AND CYCLIC HYDROCARBON BY CERIUM (IV) IN ACIDIC MEDIUM UNDER MICROWAVE IRRADIATION

Main Article Content

Manish Srivastava
Ashu Goyal
Anamika Srivastava
Aakanksha Mishra
Preeti Tomar

Keywords

Aromatic hydrocarbons, Oxidation, Cerium(IV) sulphate, Ce(IV)-Au(III), Ce(IV)-Cu(II) system, Characterization, Microwave Synthesizer.

Abstract

The addition of traces of Au(III) chloride with Ce(IV) sulphate (catalyst: substrate ratio (1: 80 to 1: 300)) and in case of  Cu(II) sulphate with Ce(IV) sulphate(catalyst: substrate ratio (1: 60 to 1: 250)) in solution phase under microwave irradiation resulted in good to excellent yields of corresponding to phenol, quinone and carbonyl compounds. In case of  oxidation of anthracene, phenanthrene, naphthalene, cyclohexane and toluene dissolved in acetic acid to give 95.02 %, 85.25%, 34.68%, 40.94%, and 56.54% yields in case of gold catalyst and 93.5%, 83.4%, 24.68%, 38.25% and 47.11% yields in case of copper as a catalyst.  Phenanthrene was oxidized in 9-Fluorenone instead of phenanthraquinone to get the benzylic rearrangement.

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