反应详情

A solution of 19.8 g. of 3-chloro-6-(o-chlorophenyl)-1,2,4-triazine in 120 ml. of pyridine is treated with 15 g. of hydrazine hydrate as described in Example 12, giving 6-(o-chlorophenyl)-3-hydrazino-1,2,4-triazine as yellow needles.