methyl 4-C-[(3S,4R)-4-{6-O-acetyl-2-azido-3,4-di-O-benzyl-2-deoxy-α-D-glucopyranosyl}oxy-3-(methoxycarbonyl)pyrrolidin-1-yl]methyl-3-O-benzyl-2-O-(benzyloxycarbonyl)amino-2,4-dideoxy-α-D-glucopyranoside                                                                                                                                                              在
                                                                                                                                                                                 
水   、                                                                                                  sodium hydroxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                                                        以81%的产率得到methyl 4-C-[(3S,4R)-4-{2-azido-3,4-di-O-benzyl-2-deoxy-α-D-glucopyranosyl}oxy-3-(carboxy)pyrrolidin-1-yl]methyl-2-O-(benzyloxycarbonyl)amino-3-O-benzyl-2,4-dideoxy-α-D-glucopyranoside