ethyl 1-methyl-8-([(trifluoromethyl)sulfonyl]oxy)-4,5-dihydro-1H-pyrazolo[4,3-h]quinazoline-3-carboxylate 、
4-(甲砜基)苄胺盐酸盐 以
1,4-二氧六环 为溶剂,
反应 6.0h,
以70%的产率得到ethyl 1-methyl-8-([4-(methylsulfonyl)benzyl]-amino)-4,5-dihydro-1H-pyrazolo[4,3-h]quinazoline-3-carboxylate