반응 #449831

반응 방정식

5-Difluoromethoxy-3-hydrazino-1-methylpyrazole

ethoxymethylenemalononitrile

→

5-Amino-1-(5-difluoromethoxy-1-methyl-3-pyrazolyl)-4-pyrazolecarbonitrile

용매

ethanol

반응 조건

후처리

1. 1
   온도After the mixture had been heated
2. 2
   온도under reflux for one hour it
3. 3
   온도was cooled
4. 4
   여과filtered
5. 5
   세척washed with a small amount of ethanol

실험 절차

22.5 g (0.13 mol) 5-Difluoromethoxy-3-hydrazino-1-methylpyrazole was dissolved in 310 ml ethanol and treated with 15.4 g (0.13 mol) ethoxymethylenemalononitrile. After the mixture had been heated under reflux for one hour it was cooled. The precipitate was suction filtered and washed with a small amount of ethanol.

출처