4-[2-(tert-butyldimethylsilanyloxy)ethyl]-2,6-dichlorophenol   、                                                                                      (1S,5R)-6-[cycIopropyl-(2,3-dichlorobenzyl)-carbamoyl]-7-[4-((3S)-3-hydroxypyrrolidin-1-yl)phenyl]-3,9-diazabicyclo[3.3.1]non-6-ene-3,9-dicarboxylic acid di-tert-butyl ester   、                                                                                      (1R,5S)-6-[cycIopropyl-(2,3-dichlorobenzyl)-carbamoyl]-7-[4-((3S)-3-hydroxypyrrolidin-1-yl)phenyl]-3,9-diazabicyclo[3.3.1]non-6-ene-3,9-dicarboxylic acid di-tert-butyl ester                                                                                                                                                              在
                                                                                                                                                                                 
三丁基膦   、                                                                                                  
1,1'-azodicarbonyl-dipiperidine                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲苯                                                                                  为溶剂,
                                                                                                                                                    反应 2.0h,
                                                                                                                生成                                                 (1S,5R)-7-[4-((3R)-3-{4-[2-(tert-butyldimethylsilanyloxy)ethyl]-2,6-dichlorophenoxy}pyrrolidin-1-yl)phenyl]-6-[cyclopropyl-(2,3-dichlorobenzyl)carbamoyl]-3,9-diazabicyclo[3.3.1]non-6-ene-3,9-dicarboxylic acid di-tert-butyl ester   、                                                                                             (1R,5S)-7-[4-((3R)-3-{4-[2-(tert-butyldimethylsilanyloxy)ethyl]-2,6-dichlorophenoxy}pyrrolidin-1-yl)phenyl]-6-[cyclopropyl-(2,3-dichlorobenzyl)carbamoyl]-3,9-diazabicyclo[3.3.1]non-6-ene-3,9-dicarboxylic acid di-tert-butyl ester