[(2R,3R,4R,5S,6R)-5-hydroxy-2-[[(2R,3S,4R,5R,6S)-6-methoxy-3,4-bis(prop-2-enoxycarbonyloxy)-5-(2,2,2-trichloroethoxycarbonylamino)oxan-2-yl]methoxy]-6-(phenylmethoxymethyl)-3-(2,2,2-trichloroethoxycarbonylamino)oxan-4-yl] (3R)-3-dodecanoyloxytetradecanoate   、                                                                                      
3-(二乙氨基)-1,5-二氢-2,4,3-苯并二噁磷杂庚英                                                                                                                                                              在
                                                                                                                                                                                 
四氮唑   、                                                                                                  
间氯过氧苯甲酸                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷   、                                                                                         
乙腈                                                                                  为溶剂,
                                                                                                                                                    反应 0.75h,
                                                                                                                以83%的产率得到[(2R,3R,4R,5S,6R)-2-[[(2R,3S,4R,5R,6S)-6-methoxy-3,4-bis(prop-2-enoxycarbonyloxy)-5-(2,2,2-trichloroethoxycarbonylamino)oxan-2-yl]methoxy]-5-[(3-oxo-1,5-dihydro-2,4,3lambda5-benzodioxaphosphepin-3-yl)oxy]-6-(phenylmethoxymethyl)-3-(2,2,2-trichloroethoxycarbonylamino)oxan-4-yl] (3R)-3-dodecanoyloxytetradecanoate