反应详情

To a mixture of tert-butyl 2-{[3-methoxy-4-(3-methyl-1H-1,2,4-triazol-1-yl)phenyl]carbonyl}hydrazinecarboxylate (0.22 g) in methanol (2 mL) was added hydrochloric acid (4-Methyl acetate solution, 1 mL) at room temperature, and the mixture was stirred at room temperature for 4 hr. The precipitated solid was collected by filtration, and washed with ethyl acetate to give the title compound (0.15 g).

1. filtrationThe precipitated solid was collected by filtration
2. washwashed with ethyl acetate