[N+:1]([C:4]1[CH:15]=[CH:14][C:7]([NH:8][C:9](=[O:13])[CH:10]([CH3:12])[CH3:11])=[CH:6][C:5]=1[C:16]([F:19])([F:18])[F:17])([O-])=O>[Pd].C(O)C>[NH2:1][C:4]1[CH:15]=[CH:14][C:7]([NH:8][C:9](=[O:13])[CH:10]([CH3:12])[CH3:11])=[CH:6][C:5]=1[C:16]([F:17])([F:18])[F:19]Hydrogenate, at approximately 3 atmospheres, a mixture of 8.3 g. of 4'-nitro-3'-trifluoromethylisobutyranilide in 100 ml. of ethanol containing 0.5 g. of 5% palladium on charcoal. Filter and remove the solvent, obtaining 4'-amino-3'-trifluoromethylisobutyranilide, m.p. 114.5°-116° C.
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