Method of producing ortho-aminobenzonitrile

Details Method of producing ortho-aminobenzonitrile Method of producing ortho-aminobenzonitrile

1978-03-13

1979-12-11

Brust, Joseph P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260465C, C07C12178, C07C12000, C07C12014

Patent

active

041783042

ABSTRACT:
According to the invention, a method of producing orthoaminobenzonitrile is provided according to which ortho-toluidine is reacted with ammonia at a temperature of 360.degree.-460.degree. C. in the presence of oxygen, or a mixture thereof with inert gases, and a catalyst, namely, a mixture of oxides of antimony, bismuth, vanadium, and phosphorus taken in a weight ratio 5-12:3-9:1-9:0.5-4, respectively, the catalyst being applied to a support.
The invention ensures an increase in the yield of orthoaminobenzonitrile per unit volume of the catalyst and selectivity with respect to the final product.

REFERENCES:
patent: 3370081 (1968-02-01), Sennewald et al.
patent: 3374262 (1968-03-01), Seefelder et al.
patent: 3475350 (1969-10-01), Winnick et al.
patent: 3665029 (1972-05-01), Goerth et al.
patent: 3783142 (1974-01-01), Bakke et al.
patent: 3803204 (1974-04-01), Grasselli et al.

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