DINITRATION OF NITROBENZOTRIFLUORIDE
DINITRATION OF NITROBENZOTRIFLUORIDE This invention relates to an improvement in a process for dinitrating 3-nitrobenzotrifluoride and 4-halo-3-nitro-benzotrifluoride compounds wherein the mononitrobenzotrifluoride composition is contacted with a mixture comprising sulfuric and nitric acid. The impr...
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| Format: | Patent |
| Sprache: | eng ; fre |
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| Zusammenfassung: | DINITRATION OF NITROBENZOTRIFLUORIDE This invention relates to an improvement in a process for dinitrating 3-nitrobenzotrifluoride and 4-halo-3-nitro-benzotrifluoride 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. |
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