(2R,3S,4S,5R,6R)-5-Acetoxy-6-[(2R,3S,4R,5R,6R)-5-azido-4-benzyloxy-6-(5-benzyloxycarbonylamino-pentyloxy)-2-benzyloxymethyl-tetrahydro-pyran-3-yloxy]-4-benzyloxy-3-(4-oxo-pentanoyloxy)-tetrahydro-pyran-2-carboxylic acid methyl ester                                                                                                                                                              在
                                                                                                                                                                                 
吡啶   、                                                                                                  
一水合肼   、                                                                                                  
溶剂黄146                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 1.5h,
                                                                                                                以100%的产率得到(2R,3S,4S,5R,6R)-5-Acetoxy-6-[(2R,3S,4R,5R,6R)-5-azido-4-benzyloxy-6-(5-benzyloxycarbonylamino-pentyloxy)-2-benzyloxymethyl-tetrahydro-pyran-3-yloxy]-4-benzyloxy-3-hydroxy-tetrahydro-pyran-2-carboxylic acid methyl ester