9-amino-5-bromo-2-cyclobutyl-2,3-dihydro-1H-pyrrolo[3,4-b]quinolin-1-one 、 (2-(1,3-dimethyl-1H-pyrazol-4-yl)-4,5,5-trimethyl-1,3,2-dioxaborolan-4-yl)methylium 以to afford the title compound as an off-white solid (0.139 g, 54%)的产率得到9-amino-2-cyclobutyl-5-(1,3-dimethyl-1H-pyrazol-4-yl)-2,3-dihydropyrrolo[3,4-b]quinolin-1-one