氨基甲酸叔丁酯   、                                                                                      
tert-butyl 7-[8-chloro-7-fluoro-3-[(1-methylpyrrolidin-3-yl)oxycarbonylamino]-6-isoquinolyl]-8-methyl-2,3-dihydropyrido[2,3-b][1,4]oxazine-1-carboxylate                                                                                                                                                              在
                                                                                                                                                                                 
tris(dibenzylideneacetone)dipalladium(0) chloroform complex   、                                                                                                  
2-(二环己基膦)3,6-二甲氧基-2′,4′,6′-三异丙基-1,1′-联苯   、                                                                                                  
caesium carbonate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
1,4-二氧六环                                                                                  为溶剂,
                                                                                                                                                    反应 2.0h,
                                                                                                                以64.1%的产率得到7-[8-(tert-butoxycarbonylamino)-7-fluoro-3-[(1-methylpyrrolidin-3-yl)oxycarbonylamino]-6-isoquinolinyl]-8-methyl-2,3-dihydropyridino[2,3-b][1,4]oxaazine-1-carboxylic acid tert-butyl ester