反应详情

To a solution of 22.8 g. of 3-methylthio-5-(α,α,α-trifluoro-m-tolyl)-1,2,4-triazine in a mixture of 30 ml. of methanol and 35 ml. of tetrahydrofuran is added 4.84 ml. of 95% hydrazine. The mixture is refluxed for 48 hours, cooled and the solid is collected by filtration giving 3-hydrazino-5-(α,α,α-trifluoro-m-tolyl)-1,2,4-triazine as yellow needles.

1. temperatureThe mixture is refluxed for 48 hours
2. temperaturecooled
3. filtrationthe solid is collected by filtration