[CH:1]([C:3]1[N:7]2[CH:8]=[CH:9][CH:10]=[C:11]([N+:12]([O-])=O)[C:6]2=[N:5][C:4]=1[CH3:15])=[O:2]>CO.[Pd]>[NH2:12][C:11]1[C:6]2[N:7]([C:3]([CH:1]=[O:2])=[C:4]([CH3:15])[N:5]=2)[CH:8]=[CH:9][CH:10]=10.5 g 3-formyl-2-methyl-8-nitro-imidazo[1,2-a]pyridine, dissolved in 200 ml methanol, is hydrogenated after addition of a catalytic amount& of a commercial Pd/C-catalyst at room temperature at low pressure for 11/2 hours.
Wird geladen…