تفاعل #75593

معادلة التفاعل

hydrazine monohydrate

dimethyl 4-(1H-1-pyrazolyl)phthalate

→

6-(1H-1-pyrazolyl)-1,4-phthalazine dione

المذيبات

ethanol

ظروف التفاعل

المعالجة

1. 1
   درجة الحرارةheated
2. 2
   درجة الحرارةunder reflux for 6 hr
3. 3
   درجة الحرارةAfter cooling
4. 4
   أخرىthe resulting precipitates
5. 5
   ترشيحwere collected by filtration

الإجراء التجريبي

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.

المصدر