[CH3:1][N:2]1[CH:6]=[CH:5][C:4]([C:7]([O:9]C)=O)=[N:3]1.[NH3:11].O>>[CH3:1][N:2]1[CH:6]=[CH:5][C:4]([C:7]([NH2:11])=[O:9])=[N:3]1A solution of methyl 1-methyl-1H-pyrazole-3-carboxylate (1.1 g, 7.9 mmol) in NH3.H2O (10 mL) was stirred for 2 h at room temperature. The solvent was evaporated to give the crude product which was used for the next step without further purification.
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