Process for preparing anisaldehyde

Details Process for preparing anisaldehyde Process for preparing anisaldehyde

1976-06-18

1977-10-18

Helfin, Bernard

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252437, C07C 4500

Patent

active

040546071

ABSTRACT:
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.

REFERENCES:
patent: 1909355 (1933-05-01), Jaeger
patent: 3946067 (1976-03-01), Kwiatek et al.

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