3-O-benzyl-5,6-dideoxy-1,2-O-isopropylidene-α-D-xylo-hex-5-ynofuranose   、                                                                                      
(2R,3R,4R)-3,4-bis(benzyloxy)-2-((benzyloxy)methyl)-3,4-dihydro-2H-pyrrole 1-oxide                                                                                                                                                              在
                                                                                                                                                                                 
copper(l) iodide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙腈                                                                                  为溶剂,
                                                                                                                                                    反应 5.25h,
                                                                                                                以71%的产率得到(2R,3R,4R)-3,4-bis(benzyloxy)-6-[(3aR,5R,6S,6aR)-6-(benzyloxy)-tetrahydro-2,2-dimethylfuro[2,3-d][1,3]dioxol-5-yl]-2-(benzyloxymethyl)-1-azabicyclo[3.2.0]heptan-7-one