3,4-difluoro-5-nitrobenzotrifluoride and preparation of fluoro-nitro-benzotrifluorides
AssigneeOccidental Chemical Corporation
InventorsDavid Y. Tang, Byron R. Cotter, Fredrick J. Goetz
Life of this patent
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Abstract
A process for the preparation of 3-chloro-4-fluoro-5-nitrobenzotrifluoride and 3,4-difluoro-5-nitrobenzotrifluoride by reaction of 3,4-di-chloro-5-nitrobenzotrifluoride and 4-chloro-3,5-dinitrobenzotrifluoride, respectively, with an alkali metal fluoride.
Claims5
3,4-difluoro-5-nitrobenzotrifluoride.
A process for the preparation of 3-chloro-4-fluoro-5-nitrobenzotrifluoride which comprises reacting, 3,4-dichloro-5-nitrobenzotrifluoride with an alkali metal fluoride.
A process for the preparation of 3,4-difluoro-5-nitrobenzotrifluoride by reaction of 4-chloro-3,5-dinitrobenzotrifluoride in the liquid phase, with an alkali metal fluoride.
Dependencies are inferred from the claim text.