9-amino-5-bromo-2-cyclobutyl-6-fluoro-2,3-dihydro-1H-pyrrolo[3,4-b]quinolin-1-one 、
2-甲氧基-4-甲基-5-(4,4,5,5-四甲基-[1,3,2]二噁硼烷-2-基)-吡啶 以to afford the title compound as an off-white solid (51.1 mg, 18%)的产率得到9-amino-2-cyclobutyl-6-fluoro-5-(6-methoxy-4-methylpyridin-3-yl)-2,3-dihydropyrrolo[3,4-b]quinolin-1-one