反应详情

A mixture of 2,6-dichloro-3-nitropyridine (0.5 g) and 5-isopropoxy-1H-pyrazol-3-amine (Intermediate 6, 0.35 g) in acetonitrile (10 mL) with triethylamine (2 mL) was stirred at room temperature for 24 hours, The resulting mixture was concentrated, and the resulting residue was separated by silica gel column (Hexane/Ethyl acetate) to afford 0.45 g desired product. MS (electrospray): 298 (M+1) for C11H12ClN5O3.

1. concentrationThe resulting mixture was concentrated
2. customthe resulting residue was separated by silica gel column (Hexane/Ethyl acetate)