3,4-di-O-benzyl-6-O-tert-butyldimethylsilyl-2-deoxy-α-D-glucopyranosyl-(1->5)-3-N-benzoyl-2',3'-O-isopropylidene-uridine                                                                                                                                                              在
                                                                                                                                                                                 
乙酰氯                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 0.17h,
                                                                                                                以83%的产率得到3,4-di-O-benzyl-2-deoxy-α-D-glucopyranosyl-(1->5)-3-N-benzoyl-2',3'-O-isopropylidene-uridine