[C:1]([O:5][C:6](=[O:21])[NH:7][C:8]1[CH:13]=[CH:12][C:11]([C:14]([F:17])([F:16])[F:15])=[CH:10][C:9]=1[N+:18]([O-])=O)([CH3:4])([CH3:3])[CH3:2]>[Pd]>[C:1]([O:5][C:6](=[O:21])[NH:7][C:8]1[CH:13]=[CH:12][C:11]([C:14]([F:17])([F:16])[F:15])=[CH:10][C:9]=1[NH2:18])([CH3:4])([CH3:2])[CH3:3]The title compound was prepared from (2-nitro-4-trifluoromethyl-phenyl)-carbamic acid tert-butyl ester (Example A4) (30.0 g, 98 mmol) by hydrogenation with 10% Pd/C according to the general procedure J (method a). Obtained as a light yellow solid (26.5 g).
Wird geladen…