乙酸酐 、
4-[4-(4-Methoxy-phenyl)-3-methyl-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-6-ylsulfanyl]-6-p-tolyl-4,5-dihydro-2H-pyridazin-3-one 反应 2.0h,
以45%的产率得到3-acetoxy-6-(4-methylphenyl)-4,5-dihydro-[(4-methoxyphenyl)-3-methyl-1H-pyrazolo [3,4-d] pyrimidin-2-yl-thioxo]pyridazine