tert-butyl 1-[5-(3-acetyl-6-chloro-1,5-naphthyridin-4-ylamino)pyridin-2-yl]pyrrolidin-3-yl(methyl)carbamate   、                                                                                      
2-chloro-6-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol                                                                                                                                                                                                                                                                                                          以to afford crude product (79 mg) as an orange solid which的产率得到tert-butyl 1-(5-(3-acetyl-6-(3-chloro-5-fluoro-4-hydroxyphenyl)-1,5-naphthyridin-4-ylamino)pyridin-2-yl)pyrrolidin-3-y(methyl)carbamate