2,3:5,6-di-O-isopropylidene-α-D-mannofuranose   、                                                                                      3,4,6-tri-O-acetyl-1,2-dideoxy-D-glucopyranose                                                                                                                                                              在
                                                                                                                                                                                 molecular sieve   、                                                                                                  
silver imidazolate   、                                                                                                  
碘   、                                                                                                  zinc(II) chloride                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙腈                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 
Acetic acid (2R,3R,4S,5S,6S)-3-acetoxy-2-acetoxymethyl-6-[(3aS,4R,6R,6aS)-6-(2,2-dimethyl-[1,3]dioxolan-4-yl)-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yloxy]-5-iodo-tetrahydro-pyran-4-yl ester   、                                                                                             Acetic acid (2R,3R,4S,5S,6R)-3-acetoxy-2-acetoxymethyl-6-[(3aS,4R,6R,6aS)-6-(2,2-dimethyl-[1,3]dioxolan-4-yl)-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yloxy]-5-iodo-tetrahydro-pyran-4-yl ester