反应详情

A mixture of 3.76 g. of 3-(p-bromophenyl)-6-chloropyridazine, 1.80 g. of formylhydrazine and 50 ml. of butyl alcohol is heated to reflux and allowed to reflux overnight. The reaction mixture is allowed to cool and the precipitated product is washed with water, air dried and recrystallized from methyl alcohol, m.p. 209°-211° C.

1. additionA mixture of 3.76 g
2. temperatureto reflux
3. temperatureto reflux overnight
4. temperatureto cool
5. washthe precipitated product is washed with water, air
6. customdried
7. customrecrystallized from methyl alcohol, m.p. 209°-211° C.