[C:1]([N:4]1[C:8]2=[N:9][CH:10]=[C:11]([N+:13]([O-])=O)[CH:12]=[C:7]2[CH2:6][CH2:5]1)(=[O:3])[CH3:2].[H][H]>C(O)C.[Pd]>[C:1]([N:4]1[C:8]2=[N:9][CH:10]=[C:11]([NH2:13])[CH:12]=[C:7]2[CH2:6][CH2:5]1)(=[O:3])[CH3:2]A suspension of 0.43 g (2.08 mmol) of 1-acetyl-2,3-dihydro-5-nitro-1H-pyrrolo[2,3-b]pyridine (Tetrahedron Lett. 1987, 1589) and 0.044 g of 10% palladium-on-charcoal in 15 mL of ethanol is stirred vigorously for 6 hours at room temperature and under 5 atmospheres of hydrogen. After this time, the suspension is filtered through Celite and the filtrate is concentrated under reduced pressure to give 0.24 g of the expected product in the form of a solid.
Wird geladen…
