Ammoxidation process for making 2,6-dicyanonaphthalene

Details Ammoxidation process for making 2,6-dicyanonaphthalene Ammoxidation process for making 2,6-dicyanonaphthalene

1975-10-29

1976-10-19

Gotts, Lewis

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252432, 252474, 252476, C07C12014

Patent

active

039870782

ABSTRACT:
In the process of making 2,6-dicyanonaphthalene by reacting 2,6-dimethylnaphthalene, ammonia and oxygen under ammoxidation conditions at atmospheric pressure, the improvement which comprises carrying out said ammoxidation in the presence of an unsupported alkali-metal vanadium bronze catalyst, optionally promoted with titanium, boron or iron and with a molar ratio of ammonia to 2,6-dimethylnaphthalene of at least about 25:1.

REFERENCES:
patent: 3637797 (1972-01-01), Decker et al.
patent: 3812171 (1974-05-01), Neikam et al.

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