9-amino-5-bromo-2-cyclobutyl-6-fluoro-2,3-dihydro-1H-pyrrolo[3,4-b]quinolin-1-one 、
3,4-二甲氧基苯硼酸 以to afford the title compound as a white solid (147 mg, 70%)的产率得到9-amino-2-cyclobutyl-5-(3,4-dimethoxyphenyl)-6-fluoro-2,3-dihydropyrrolo[3,4-b]quinolin-1-one