(3aR,6S,6aS)-(octahydrocyclopenta[b]pyrrol-6-yl)carbamic acid 2-trimethylsilanylethyl ester   、                                                                                      
Cbz-环己基-L-甘氨酸                                                                                                                                                              在
                                                                                                                                         palladium hydroxide on carbon                                                                                                                                                                                                                               
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-)   、                                                                                                  
氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         DMF (N,N-dimethyl-formamide)   、                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                                                        以74%的产率得到2-trimethylsilylethyl N-[(3aR,6S,6aS)-1-[(2S)-2-amino-2-cyclohexylacetyl]-3,3a,4,5,6,6a-hexahydro-2H-cyclopenta[b]pyrrol-6-yl]carbamate