2-O-acetyl-3,4,6-tri-O-benzyl-α-D-mannopyranosyl chloride   、                                                                                      
benzyl 2,6-di-O-benzyl-4-O-(2,3,4,6-tetra-O-benzyl-β-D-glucopyranosyl)-β-D-galactopyranoside                                                                                                                                                              在
                                                                                                                                                                                 
氰化汞                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙腈                                                                                  为溶剂,
                                                                                                                                                    反应 60.0h,
                                                                                                                以60%的产率得到benzyl 3-O-(2-O-acetyl-3,4,6-tri-O-benzyl-α-D-mannopyranosyl)-2,6-di-O-benzyl-4-O-(2,3,4,6-tetra-O-benzyl-β-D-glucopyranosyl)-β-D-galactopyranoside