二苯基重氮甲烷   、                                                                                      (R)-3-Tetradecanoyloxy-tetradecanoic acid (4aR,6S,7R,8R,8aS)-6-carboxymethoxy-7-(2,2-difluoro-tetradecanoylamino)-2,2-dimethyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester                                                                                                                                                                                              以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 16.0h,
                                                                                                                生成                                                 
(R)-3-Tetradecanoyloxy-tetradecanoic acid (4aR,6S,7R,8R,8aS)-6-benzhydryloxycarbonylmethoxy-7-(2,2-difluoro-tetradecanoylamino)-2,2-dimethyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester