乙酸酐   、                                                                                      Acetic acid (2R,3S,4S,5R,6R)-3,5-diacetoxy-2-acetoxymethyl-6-[(2R,3R,4S,5R,6R)-3,4-dihydroxy-5-(naphthalen-2-ylmethoxy)-6-((2R,3R,4S,5R)-3,4,5,6-tetrahydroxy-tetrahydro-pyran-2-ylmethoxy)-tetrahydro-pyran-2-ylmethoxy]-tetrahydro-pyran-4-yl ester                                                                                                                                                                                              以
                                                                                         
吡啶                                                                                  为溶剂,
                                                                                                                                                    反应 12.0h,
                                                                                                                生成                                                 
Acetic acid (2R,3S,4S,5R,6R)-3-acetoxy-5-(naphthalen-2-ylmethoxy)-6-((2R,3S,4S,5R)-3,4,5,6-tetraacetoxy-tetrahydro-pyran-2-ylmethoxy)-2-((2R,3R,4S,5S,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxymethyl)-tetrahydro-pyran-4-yl ester