(S)-tert-butyl 4-(3-methylmorpholino)-2-(4-nitrophenyl)-5,6-dihydropyrido[3,4-d]pyrimidine-7(8H)-carboxylate 在
盐酸 作用下,
以
1,4-二氧六环 为溶剂,
反应 2.0h,
以90%的产率得到(S)-3-methyl-4-(2-(4-nitrophenyl)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-yl)morpholinehydrochloride