Process for preparing dinitronaphthalenes

Details Process for preparing dinitronaphthalenes Process for preparing dinitronaphthalenes

1976-01-23

1976-12-21

Sebastian, Leland A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 7910

Patent

active

039988937

ABSTRACT:
Dinitronaphthalenes are prepared by reacting nitronaphthalene at temperatures of from 20.degree. to 50.degree. C which 60 to 80% strength by weight aqueous nitric acid. The resulting dinitronaphthalene is separated off in a known manner and the residual nitric acid is enriched until a concentration of 60 to 80% by weight is reached and is then recycled to the reaction.

REFERENCES:
Donaldson, The Chemistry and Technology of Naphthalene Compounds, Edward Arnold, Ltd., London, 1958, pp. 145 to 154 and 163 to 166.
Ward, J. Chem. Soc., London, 1959, pp. 487 to 493.

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