N-benzyl[1-(2,6-difluorobenzyl)-6-(4-{[(ethylamino)carbonyl]amino}phenyl)-2,4-dioxo-3-phenyl-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidin-5-yl]-N,N-dimethylmethane aluminum iodide 、
2-甲氧基乙胺 在
N,N-二异丙基乙胺 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 1.0h,
以37%的产率得到N-[4-(1-(2,6-difluorobenzyl)-5-{[(2-methoxyethyl)amino]methyl}-2,4-dioxo-3-phenyl-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidin-6-yl)phenyl]-N'-ethylurea