3-(methanesulphonyl-methyl-amino)-5-[1-(2-methoxy-ethoxy)-3-phenyl-propyl]-benzoic acid   、                                                                                      
(2R,4S,5S)-5-amino-6-(3,5-difluoro-phenoxy)-4-hydroxy-2-methoxy-hexanoic acid ((S)-1-benzylcarbamoyl-2-methyl-propyl)-amide                                                                                                                                                              在
                                                                                                                                                                                 
N,N-二异丙基乙胺   、                                                                                                  
Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-)                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
N,N-二甲基甲酰胺                                                                                  为溶剂,
                                                                                                                                                                                        以100%的产率得到N-[(1S,2S,4S)-4-((S)-1-benzylcarbamoyl-2-methyl-propylcarbamoyl)-1-(3,5-difluorophenoxymethyl)-2-hydroxy-4-methoxy-butyl]-3-(methanesulphonyl-methyl-amino)-5-[1-(2-methoxy-ethoxy)-3-phenyl-propyl]-benzamide