三氟甲磺酸酐   、                                                                                      
(1S,5R,6R,9R,10S,13S)-6,13-dihydroxy-2,4-dioxatetracyclo[8.3.0.01,5.05,9]tridecan-3-one                                                                                                                                                              在
                                                                                                                                                                                 
2-氯吡啶                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 0.83h,
                                                                                                                以69%的产率得到[(1S,5R,6R,9R,10S,13S)-3-oxo-13-(trifluoromethylsulfonyloxy)-2,4-dioxatetracyclo[8.3.0.01,5.05,9]tridecan-6-yl] trifluoromethanesulfonate