6-chloro-N-methyl-N-(2,2,6,6-tetramethylpiperidin-4-yl)pyridazin-3-amine   、                                                                                      
tert-butyl (3-((7-(benzyloxy)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)naphthalen-2-yl)oxy)propyl)carbamate                                                                                                                                                              在
                                                                                                                                                                                 crude material   、                                                                                                  
氨   、                                                                                                  
methanol-dichloromethane   、                                                                                                  
乙醚                                                                                                                                  作用下,
                                                                                                                                                                                                                            以affording tert-butyl (3-((7-(benzyloxy)-6-(6-(methyl(2,2,6,6-tetramethylpiperidin-4-yl)amino)pyridazin-3-yl)naphthalen-2-yl)oxy)propyl)carbamate a pale-yellow solid (492 mg, 83% yield)的产率得到tert-butyl (3-((7-(benzyloxy)-6-(6-(methyl(2,2,6,6-tetramethylpiperidin-4-yl)amino)pyridazin-3-yl)naphthalen-2-yl)oxy)propyl)carbamate