乙酸酐   、                                                                                      
3-O-Acetyl-4-<1D-(1N,2,4/3,5,6)-<6-O-acetyl-2,3,4,6-tetrahydroxy-5-C-(hydroxymethyl)-4-O-methylcyclohexyl>amino>-1,6-anhydro-4-desoxy-β-D-glucopyranose                                                                                                                                                              在
                                                                                                                                                                                 
吡啶                                                                                                                                  作用下,
                                                                                                                                                                                                                            以99%的产率得到2,3-Di-O-acetyl-1,6-anhydro-4-desoxy-4-<1D-(1N,2,4/3,5,6)-<2,3,6,7-tetra-O-acetyl-2,3,4,6-tetrahydroxy-5-C-(hydroxymethyl)-4-O-methylcyclohexyl>amino>-β-D-glucopyranose