4-(4-chlorophenyl)-2-(4-methoxybenzyl)-3-methyl-5-(1-methyl-6-oxo-1,6-dihydropyridin-3-yl)-4,5-dihydropyrrolo[3,4-c]pyrazol-6(2H)-one 在
三氟乙酸 作用下,
反应 0.5h,
以50%的产率得到4-(4-chlorophenyl)-3-methyl-5-(1-methyl-6-oxo-1,6-dihydropyridin-3-yl)-4,5-dihydropyrrolo[3,4-c]pyrazol-6(2H)-one