pentafluorophenyl 5-hexynoate   、                                                                                      
(2R,3S,4R,5S,6R)-2-(acetoxymethyl)-6-(2-aminoethyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate acetate                                                                                                                                                              在
                                                                                                                                                                                 
三乙胺                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                                                        以78%的产率得到(2R,3S,4R,5S,6R)-2-(acetoxymethyl)-6-(2-(hex-5-ynamido)ethyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate