反应详情

A mixture of 6.15 g. of 5-(o-fluorophenyl)-3-hydrazino-1,2,4-triazine and 50 ml. of ethyl orthoacetate is refluxed for 2.5 hours, cooled and the solid is collected by filtration and washed with hexane and ethanol, giving the desired product as yellow crystals, m.p. 227°-229° C.

1. additionA mixture of 6.15 g
2. temperaturecooled
3. filtrationthe solid is collected by filtration
4. washwashed with hexane and ethanol