[C:1]([C:3]1[CH:4]=[N:5][CH:6]=[C:7]([C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][N:10]=2)[CH:8]=1)#[N:2].Cl>C(O)C.CO.[Pd]>[NH2:2][CH2:1][C:3]1[CH:4]=[N:5][CH:6]=[C:7]([C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][N:10]=2)[CH:8]=12-(3-Cyanopyridin-5-yl)pyridine (Method 101; 0.98 g, 5.4 mmol) was dissolved in a mixture of ethanol (45 ml) and methanol (30 ml). Concentrated hydrochloric acid (1.2 ml) and 10% palladium on carbon catalyst (575 mg) were added and the mixture stirred under an atmosphere of hydrogen for 4 hours. The mixture was filtered through diatomaceous earth, the filter pad washed with ethanol and the volatiles removed from the filtrate by evaporation. The crude solid was suspended in a small volume of methanol and filtered to give the title compound (794 mg, 66%) as an orange solid. NMR (DMSO): 4.31 (m, 2H) 7.58 (t, 1H), 8.09 (t, 1H), 8.24 (d, 1H), 8.78 (d, 1H), 8.89 (bs, 2H), 9.03 (s, 1H), 9.26 (s, 1H), 9.43 (s, 1H); m/z 186 (MH)+.
Wird geladen…
