hydrazonoyl halides 2 and N,2-diaryl-diazinecarbohydrazonoyl halides 9 in dioxane in the presence of triethylamine under reflux furnishes 6-phenylazo and 3,6-bis(arylazo)-7-hydroxy-1H-[1,2,4]triazolo[4,3-a]pyrimidin-5(4H)-one derivatives 7 and 10, respectively. The biological activities of the products were evaluated.
6-羟基-5-苯基偶氮-2-
硫代-4(1H)-
嘧啶酮1与一系列
肼酰卤2和N,2-二芳基-二嗪
咔唑酰卤9在
二恶烷中在
三乙胺存在下回流提供6-苯偶氮和 3,6-bis(arylazo)-7-hydroxy-1H-[1,2,4]triazolo[4,3-a]pyrimidin-5(4H)-one 衍
生物 7 和 10,分别。评价了产品的
生物活性。