[CH3:1][O:2][C:3](=[O:18])[C:4]1[CH:9]=[CH:8][C:7]([NH:10][CH2:11][CH:12]([CH3:14])[CH3:13])=[C:6]([N+:15]([O-])=O)[CH:5]=1>CO.CCOC(C)=O.[Pd]>[CH3:1][O:2][C:3](=[O:18])[C:4]1[CH:9]=[CH:8][C:7]([NH:10][CH2:11][CH:12]([CH3:13])[CH3:14])=[C:6]([NH2:15])[CH:5]=13-Amino-4-isobutylamino-benzoic acid methyl ester (790.0 mg) was prepared by following General Procedure B starting from 4-isobutylamino-3-nitro-benzoic acid methyl ester (950.0 mg) and Pd/C (20% by weight, 190.0 mg) in MeOH:EtOAc (1:1, 10.0 mL). The crude product was used in the next step without further purification.
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