9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one 、 2-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propanenitrile 以to afford the desired product (1.45 g, 82%) as a brown solid的产率得到2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propanenitrile