4-{2-[3-(benzyloxy)phenyl]-6-methyl-5-nitropyrimidin-4-yl}morpholin-3-one 、 dimethylformaldehyde N,N-dimethylformamide dimethyl acetal 在
silica gel 、
乙酸乙酯 作用下,
反应 0.25h,
以to give the title compound as red solid (64 mg, 96% yield)的产率得到4-{2-[3-(benzyloxy)phenyl]-6-[(E)-2-(dimethylamino)vinyl]-5-nitropyrimidin-4-yl}morpholin-3-one