9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one   、                                                                                      
(S)-(1-(4-硼酸频哪醇酯基苯基)乙基)氨基甲酸叔丁酯                                                                                                                                                                                                                                                                                                          以to afford the desired product (730 mg, 66%) as a light yellow solid的产率得到(S)-tert-butyl 1-[4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]ethylcarbamate