| 摘要 |
Preparation of anisaldehyde by the oxidation of p-methoxytoluene in the vapor phase in the presence of a catalyst consisting of vanadium oxide, phosphorus oxide and potassium sulfate or a catalyst consisting of vanadium oxide, phosphorus oxide, potassium sulfate and copper oxide. The catalyst has excellent selectivity and, as a result, anisaldehyde is obtained in high yields. Further, the catalyst containing copper oxide has excellent durability.
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