反应详情

The mixture of 5 g of 3-chloro 4-methyl 6-phenyl pyridazine and 12 ml of hydrazine hydrate is taken to reflux. After one hour thirty minutes, the reaction medium is left to cool. A solid separates, which is drained and washed with a little water. The product is recrystallized in the mixture of isopropanol-isopropyl ether. Weight 4.5 g. m.p.: 162° C.

1. temperatureto reflux
2. waitthe reaction medium is left
3. temperatureto cool
4. washwashed with a little water
5. customThe product is recrystallized in the mixture of isopropanol-isopropyl ether