Dinitration of nitrobenzotrifluoride

Details Dinitration of nitrobenzotrifluoride Dinitration of nitrobenzotrifluoride

1975-05-23

1976-10-05

Sebastian, Leland A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 7912

Patent

active

039844889

ABSTRACT:
This invention relates to an improvement in an process for dinitrating 3-nitrobenzotrifluoride and 4-hal0-3-nitrobenzotrifluoride compounds wherein the mononitrobenzotrifluoride composition is contacted with a mixture comprising sulfuric and nitric acid. The improvement constituting the basis of this invention comprises carrying out the dinitration with the sulfuric acid being present in at least a catalytic proportion but not exceeding about 65 mole percent in said mixture.

REFERENCES:
patent: 2257093 (1941-09-01), Friedrich et al.

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