反应详情

22 ml hydrazine monohydrate was added to a mixture of 77 g dimethyl 4-(1H-1-pyrazolyl)phthalate and 500 ml ethanol, and heated under reflux for 6 hr. After cooling, the resulting precipitates were collected by filtration to give 36 g of 6-(1H-1-pyrazolyl)-1,4-phthalazine dione.

1. temperatureheated
2. temperatureunder reflux for 6 hr
3. temperatureAfter cooling
4. customthe resulting precipitates
5. filtrationwere collected by filtration