9-amino-2-ethyl-6-fluoro-5-iodo-2,3-dihydro-1H-pyrrolo[3,4-b]quinolin-1-one 、
2,4-二甲氧基嘧啶-5-硼酸 以to afford the title compound as a white solid (81.1 mg, 52.3%)的产率得到9-amino-5-(2,4-dimethoxypyrimidin-5-yl)-2-ethyl-6-fluoro-2,3-dihydropyrrolo[3,4-b]quinolin-1-one