9-amino-5-bromo-2-cyclobutyl-2,3-dihydro-1H-pyrrolo[3,4-b]quinolin-1-one 、
2,5-dimethoxy-3-(trimethylstannyl)pyridine 以to afford the title compound as an off-white solid (84 mg, 25.5%)的产率得到9-amino-2-cyclobutyl-5-(2,5-dimethoxypyridin-3-yl)-2,3-dihydropyrrolo[3,4-b]quinolin-1-one