[7-[4-[2-[(6S)-5-[(2S)-2-(methoxycarbonylamino)-3-methylbutanoyl]-5-azaspiro[2.4]heptan-6-yl]-1H-imidazol-5-yl]phenyl]spiro[1,3-dihydroindene-2,1'-cyclopentane]-4-yl] trifluoromethanesulfonate   、                                                                                      
methyl ((S)-3-methyl-1-oxo-1-((S)-6-(4-oxo-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4-dihydroquinazolin-2-yl)-5-azaspiro[2.4]heptan-5-yl)butan-2-yl)carbamate                                                                                                                                                              在
                                                                                                                                                                                 
四(三苯基膦)钯   、                                                                                                  
potassium carbonate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙二醇二甲醚   、                                                                                         
水                                                                                  为溶剂,
                                                                                                                                                    反应 3.0h,
                                                                                                                以45%的产率得到methyl N-[(2S)-1-[(6S)-6-[6-[7-[4-[2-[(6S)-5-[(2S)-2-(methoxycarbonylamino)-3-methylbutanoyl]-5-azaspiro[2.4]heptan-6-yl]-1H-imidazol-5-yl]phenyl]spiro[1,3-dihydroindene-2,1'-cyclopentane]-4-yl]-4-oxo-3H-quinazolin-2-yl]-5-azaspiro[2.4]heptan-5-yl]-3-methyl-1-oxobutan-2-yl]carbamate