9-amino-5-bromo-2-cyclobutyl-6-fluoro-2,3-dihydro-1H-pyrrolo[3,4-b]quinolin-1-one 、
2,4-二甲氧基嘧啶-5-硼酸频哪醇酯 以to afford the title compound as a white solid (101 mg, 48%)的产率得到9-amino-2-cyclobutyl-5-(2,4-dimethoxypyrimidin-5-yl)-6-fluoro-2,3-dihydropyrrolo[3,4-b]quinolin-1-one