(2-Ethyl-8-methylfuro[3,2-c]pyrazolo[1,5-a]pyridin-1-yl)acetonitrile → 2-(2-Ethyl-8-methylfuro[3,2-c]pyrazolo[1,5-a]pyridin-1-yl)ethanamine
Reaction equation
[CH2:1]([C:3]1[C:15]([CH2:16][C:17]#[N:18])=[C:6]2[C:7]3[CH:13]=[C:12]([CH3:14])[O:11][C:8]=3[CH:9]=[CH:10][N:5]2[N:4]=1)[CH3:2]>[Co].N.C(O)C>[CH2:1]([C:3]1[C:15]([CH2:16][CH2:17][NH2:18])=[C:6]2[C:7]3[CH:13]=[C:12]([CH3:14])[O:11][C:8]=3[CH:9]=[CH:10][N:5]2[N:4]=1)[CH3:2]Participants
4
Reactant 1
Product 1
Reagents, catalysts & solvents 2
Procedure
A mixture of (2-ethyl-8-methylfuro[3,2-c]pyrazolo[1,5-a]pyridin-1-yl)acetonitrile (232 mg, 0.970 mmol), Raney cobalt (2.3 g) and 2M ammonia/ethanol solution (20 mL) was stirred at room temperature for 16 hr under a hydrogen atmosphere. The catalyst was filtered through celite, and the filtrate was concentrated under reduced pressure to give the title compound (225 mg, yield 95%).