[Cl:1][C:2]1[C:7]([N+:8]([O-])=O)=[C:6]([NH:11][CH2:12][CH:13]([CH3:15])[CH3:14])[CH:5]=[C:4]([CH3:16])[N:3]=1.[H][H]>[Pt].C1(C)C=CC=CC=1>[Cl:1][C:2]1[C:7]([NH2:8])=[C:6]([NH:11][CH2:12][CH:13]([CH3:14])[CH3:15])[CH:5]=[C:4]([CH3:16])[N:3]=12-Chloro-N-(2-methylpropyl)-6-methyl-3-nitropyridin-4-amine (5.00 g) from Part A, toluene (100 ml), and 5% platinum on carbon (3.5 g) were added to a Parr shaker and placed on a hydrogenator at a hydrogen pressure of 345 kPa for 4 hours. The reaction, monitored by HPLC, was complete, and the resulting reaction mixture was filtered through a fluted filter paper and then through a folded No.2 Whatman filter. The solvent was removed from the filtrate under reduced pressure, and the resulting oil (4.14 g) was carried on to the next step.
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