2-碘-6-三氟甲基吡嗪   、                                                                                      1,5-anhydro-2,3-dideoxy-3-[{(1R,3S)-3-{[(1S,4S)-2,5-diazabicyclo[2.2.1]hept-2-yl]carbonyl}-3-(1-hydroxycyclobutyl)cyclopentyl}amino]-4-O-methyl-D-erythro-pentitol dihydrochloride                                                                                                                                                              在
                                                                                                                                         
tris-(dibenzylideneacetone)dipalladium(0)   、                                                                                                  
4,5-双二苯基膦-9,9-二甲基氧杂蒽                                                                                                                                                                                                                               caesium carbonate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
1,4-二氧六环   、                                                                                         
二甲基亚砜                                                                                  为溶剂,
                                                                                                                                                    反应 18.0h,
                                                                                                                以82%的产率得到1,5-anhydro-2,3-dideoxy-3-{[(1R,3S)-3-(1-hydroxycyclobutyl)-3-({(1S,4S)-5-[6-(trifluoromethyl)pyrazin-2-yl]-2,5-diazabicyclo[2.2.1]hept-2-yl}carbonyl)cyclopentyl]amino}-4-O-methyl-D-erythro-pentitol