1,3-benzodioxole-5-carbaldehyde (5-isopropyl-3-methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)hydrazone 在
iron(III) chloride 作用下,
以
乙醇 为溶剂,
以64%的产率得到8-(1,3-benzodioxol-5-yl)-3-isopropyl-5-methylthieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidin-4(5H)-one