Acetic acid (1R,2S,3S,4S,5R,7S)-2,3-diacetoxy-5-methyl-7-(toluene-4-sulfonylamino)-6,8-dioxa-bicyclo[3.2.1]oct-4-yl ester                                                                                                                                                              在
                                                                                                                                                                                 
三乙胺                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                                                        以58%的产率得到4-Methyl-N-((1R,2S,3S,4S,5R,7S)-2,3,4-trihydroxy-5-methyl-6,8-dioxa-bicyclo[3.2.1]oct-7-yl)-benzenesulfonamide