9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one 、 (S)-tert-butylmethyl(2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propyl)carbamate 以to afford the desired product (1.9 g, 50%) as a light brown solid的产率得到(S)-tert-butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propyl(methyl)carbamate