1,3-dimethyl-6{2-[(hydroxymethyl)amino]ethylamino}-2,4-(1H,3H)-pyrimidinedione 、 3-(2-phenyl-3-methyl-4-oxo-4H-1-benzopyran-5-yl)oxypropyl bromide 、
草酸酯 、
1,3-dimethyl-6-(2-[N-hydroxyethyl-N-[3-(2-phenyl-3-methyl-4oxo-4H-1-benzopyran-5yl)oxypropyl]amino]ethylamino)-2,4(1H,3H)-pyrimidinedione oxalate 在
氯仿 、
水 、
Sodium sulfate-III 、 silica gel 、
甲醇 作用下,
以
N,N-二甲基甲酰胺 、
三乙胺 为溶剂,
反应 1.0h,
以to obtain 0.75 g (yield 55%) of 1,3-dimethyl-6-(2-[N-hydroxyethyl-N-[3-(2-phenyl-3-methyl-4-oxo-4H-1-benzopyran-5-yl)oxypropyl]amino]ethyl-amino)-2,4(1H,3H)-pyrimidinedione (the non-oxalate of Compound 17)的产率得到1,3-dimethyl-6-(2-[N-hydroxyethyl-N-[3-(2-phenyl-3-methyl-4-oxo-4H-1-benzopyran-5-yl)oxypropyl]amino]ethyl-amino)-2,4(1H,3H)-pyrimidinedione