direct oxidation of benzene to phenol catalyzed by a vanadium-substituted heteropolymolybdic acid catalyst
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ID: 204887
2006
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Abstract
The direct synthesis of phenol by hydroxylation of benzene with hydrogen peroxide over a vanadium substituted heteropolymolybdic acid catalyst was investigated at 70ºC. Hydrogen peroxide was used as the oxidant while 36 wt.% acetic acid was employed as the solvent. After 100 minutes, the selecitity for phenol was 93 % and the yield of phenol was 10.1 %. The catalyst was characterized by elemental analysis, thermogravimetry, infrared spectroscopy, UV-Vis spectroscopy, X-ray diffraction, and 31P-NMR and 51V-NMR techniques. The experimental conditions, such as reaction temperature, the amount of hydrogen peroxide and catalyst, were investigated. The as-prepared phenol could be separated by column chromatography and was characterized by infrared and mass spectrometry.
| Reference Key |
zhang2006journaldirect
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|---|---|
| Authors | ;JIN ZHANG;YING TAND |
| Journal | meditsinskaia radiologiia |
| Year | 2006 |
| DOI |
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| Keywords | Keywords not found |
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