tert-butyl (1-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)cyclopropyl)methylcarbamate   、                                                                                      
三溴化硼                                                                                                                                                                                                                                                                                                          以to afford the desired product (19 mg, 48%) as a white solid的产率得到9-(4-(1-(aminomethyl)cyclopropyl)phenyl)-6-chloro-8-hydroxythieno[2,3-c]quinolin-4(5H)-one hydrochloride