(2R,3R,4S,2'R,4'S,5'R)-4',5'-Diacetoxy-3-acetylamino-4-(2,2-dimethyl-propionyloxy)-3,4,3',4',5',6'-hexahydro-2H,2'H-[2,2']bipyranyl-6-carboxylic acid methyl ester                                                                                                                                                              在
                                                                                                                                         Lindlar's catalyst                                                                                                                                                                                                                               sodium azide   、                                                                                                  Dowex 50W (H
+)   、                                                                                                  
氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇   、                                                                                         
叔丁醇                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 (2R,3R,4R,2'R,4'S,5'R)-4',5'-Diacetoxy-3-acetylamino-4-amino-3,4,3',4',5',6'-hexahydro-2H,2'H-[2,2']bipyranyl-6-carboxylic acid methyl ester