巴比妥酸 、
4-(3-(1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl)-2-hydroxypropoxy)benzaldehyde 、
对氯苯胺 在
tungstic acid supported on silica coated magnetic nanoparticles 作用下,
以
乙醇 为溶剂,
反应 5.0h,
以85%的产率得到10-(4-chlorophenyl)-5-(4-(3-(1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl)-2-hydroxypropoxy)phenyl)-5,10-dihydropyrido[2,3-d:6,5-d']dipyrimidine-2,4,6,8(1H,3H,7H,9H)-tetraone