Preparation of aromatic nitriles

Details Preparation of aromatic nitriles Preparation of aromatic nitriles

1986-11-13

1989-03-21

Sutto, Anton H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitriles

C07C12014

Patent

active

048144797

ABSTRACT:
Aromatic nitriles, in particular phthalodinitriles, are prepared from an appropriately alkyl-substituted aromatic hydrocarbon by catalytic oxidation with oxygen or an oxygen-containing gas in the presence of ammonia at elevated temperatures in the vapor phase, in the presence of a catalyst which contains from 2 to 10% by weight of vanadium(V) oxide, from 1 to 10% by weight of antimony(III) oxide, from 0.02 to 2% by weight of an alkali metal oxide and alumina, by a process in which from 0.01 to 1.0% by weight of an alkaline earth metal, or of a compound of an alkaline earth metal, in particular barium or a barium compound, is added to the catalyst.

REFERENCES:
patent: 3312710 (1967-04-01), Sakuyama et al.
patent: 3435061 (1969-03-01), Grasselli et al.
patent: 3637797 (1972-01-01), Decker et al.
patent: 3945804 (1976-03-01), Shang et al.

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