反应详情

To a solution of 1.09 g 2-hydrazinopyridine in 10 ml 5N hydrochloric acid was added 1.45 g benzoylacetonitrile (from Example 2) under stirring. The mixture was refluxed for 3 hrs. After cooling, the solution was neutralized with Na2CO3. The yellow precipitate was filtrated, washed with H2O, and dried to get 1.9 g 1-pyridyl-3-phenyl-5-aminopyrazole.

1. temperatureThe mixture was refluxed for 3 hrs
2. temperatureAfter cooling
3. filtrationThe yellow precipitate was filtrated
4. washwashed with H2O
5. customdried