Process for producing alpha, alpha, alpha-trifluoro-o-toluic fluoride
alpha , alpha , alpha -trifluoro- o- toluic fluoride is produced in good yield and high purity by reacting anhydrous hydrogen fluoride with 1,1,3,3-tetrachloro- 1,3-dihydroisobenzofuran or a mixture of alpha , alpha , alpha ,-trichloro- o- toluic chloride therewith, the mixture being preferably prod...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | alpha , alpha , alpha -trifluoro- o- toluic fluoride is produced in good yield and high purity by reacting anhydrous hydrogen fluoride with 1,1,3,3-tetrachloro- 1,3-dihydroisobenzofuran or a mixture of alpha , alpha , alpha ,-trichloro- o- toluic chloride therewith, the mixture being preferably produced by sufficiently photo-chlorinating o-toluic chloride in mild conditions. |
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