Trifluoroacetic acid → HCID 68956439, compound

Participants

Reaction Steps

Trifluoroacetic acid 3.0 mL solution of the obtained tert-butyl 4-(4-(aminosulfonyl)phenyl)-2-(4-fluoroanilino)benzoate was stirred at room temperature for 30 minutes. The solvent was removed under reduced pressure,diisopropyl ether was added to the obtained residue, and solid matter was filtrated to give 4-(4-(aminosulfonyl)phenyl)-2-(4-fluoroanilino)benzoic acid 20 mg of a pale yellow solid.

Provenance & Evidence