[CH3:1][C:2]1[C:7]([N+:8]([O-])=O)=[CH:6][N:5]=[C:4]([N:11]2[CH2:15][CH2:14][CH2:13][CH2:12]2)[CH:3]=1>[Pd].O1CCCC1>[CH3:1][C:2]1[CH:3]=[C:4]([N:11]2[CH2:15][CH2:14][CH2:13][CH2:12]2)[N:5]=[CH:6][C:7]=1[NH2:8]A mixture of 4-methyl-5-nitro-2-pyrrolidin-1-ylpyridine (2.08 g, 10.0 mmol) and 10% palladium on carbon (208 mg) in tetrahydrofuran (10 mL) was stirred under hydrogen atmosphere at room temperature for 16 hr. Catalyst was removed by filtration and the filtrate was concentrated in vacuo to give the title compound (1.76 g, 9.89 mmol, 99%) as a purple solid.
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