、                                                                                      3-amino-2-hydroxy-hexanoic acid allylamide hydrochloride                                                                                                                                                              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
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 18.0h,
                                                                                                                以65%的产率得到(1R,2S,5S)-3-[(2S)-2-[[(2S)-1-[(2-tert-butyl-3,4-dioxocyclobuten-1-yl)-methylamino]-3,3-dimethylbutan-2-yl]carbamoylamino]-2-cyclohexylacetyl]-N-[2-hydroxy-1-oxo-1-(prop-2-enylamino)hexan-3-yl]-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxamide