(3aS,4R,7R,9R,10R,11S,13R,15R,15aR)-4-ethyl-3a-(hydroxymethyl)-11-methoxy-7,9,11,13,15-pentamethyl-2,6,8,14-tetraoxo-1-[4-(4-pyridin-3-yl-1H-imidazol-1-yl)butyl]tetradecahydro-2H-oxacyclotetradecino[4,3-d][1,3]oxazol-10-yl-3,4,6-trideoxy-3-(dimethylamino)-D-xylo-hexopyranoside                                                                                                                                                              在
                                                                                                                                                                                 
戴斯-马丁氧化剂   、                                                                                                  
碳酸氢钠   、                                                                                                  sodium thiosulfate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷   、                                                                                         
水   、                                                                                         
乙酸乙酯                                                                                  为溶剂,
                                                                                                                                                    反应 18.0h,
                                                                                                                以19%的产率得到(3aS,4R,7R,9R,10R,11S,13R,15R,15aR)-4-ethyl-3a-formyl-11-methoxy-7,9,11,13,15-pentamethyl-2,6,8,14-tetraoxo-1-[4-(4-pyridin-3-yl-1H-imidazol-1-yl)butyl]tetradecahydro-2H-oxacyclotetradecino[4,3-d][1,3]oxazol-10-yl-3,4,6-trideoxy-3-(dimethylamino)-D-xylo-hexopyranoside