O-(2-acetamido-3,4,6-triO-acetyl-2-deoxy-β-D-glucopyranosyl)-(1<*>2)-3,4-di-O-acetyl-6-O-methyl-α-D-mannopyranosyl chloride   、                                                                                      
8-(methoxycarbonyl)octyl 2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-β-D-glucopyranosyl-(1<*>2)-3,6-di-O-acetyl-4-O-methyl-α-D-mannopyranosyl-(1<*>3)-2,4-di-O-benzyl-β-D-mannopyranoside                                                                                                                                                              在
                                                                                                                                                                                 4 A molecular sieve   、                                                                                                  
氰化汞   、                                                                                                  mercury dibromide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
硝基甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 20.0h,
                                                                                                                以80%的产率得到8-(methoxycarbonyl)octyl 2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-β-D-glucopyranosyl-(1<*>2)-3,6-di-O-acetyl-4-O-methyl-α-D-mannopyranosyl-(1<*>3)-O-<2-acetamido,3,4,6-tri-O-acetyl-2-deoxy-β-D-glucopyranosyl-(1<*>2)3,4-di-O-acetyl-6-O-methyl-α-D-mann>