4-chloro-7-propyl-7H-imidazo[4,5-c]pyridazine   、                                                                                      
2-(4'-ethylsulfonyl-6-fluorobiphenyl-3-yl)-4,4,5,5-tetramethyl[1,3,2]dioxaborolane                                                                                                                                                                                                                                                                                                          以to afford the title compound as an off white solid in 10% yield, 10 mg的产率得到4-[4'-(ethylsulfonyl)-6-fluorobiphenyl-3-yl]-7-propyl-7H-imidazo[4,5-c]pyridazine