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2.5 g (10.7 mmol) 2,2,2-trifluoroethyl trifluoromethanesulphonate were added to 2.0 g (21.5 mmol) aniline in 50 mL xylene and the mixture was refluxed for 2 days. After cooling, the mixture was filtered, washed with DIPE and the filtrate was evaporated down i.vac. The residue was purified by flash chromatography. The product fractions were combined and evaporated down i.vac.

1. temperaturethe mixture was refluxed for 2 days
2. temperatureAfter cooling
3. filtrationthe mixture was filtered
4. washwashed with DIPE
5. customthe filtrate was evaporated down i.vac
6. customThe residue was purified by flash chromatography
7. customevaporated down i.vac