乙酸酐   、                                                                                      
((1S,4aS,5R,6R,7R,8aS)-7-Benzyloxy-6-methoxy-5-methoxymethoxymethyl-4a,5,6,7,8,8a-hexahydro-1H-isochromen-1-yl)-methanol                                                                                                                                                              在
                                                                                                                                                                                 
吡啶                                                                                                                                  作用下,
                                                                                                                                                                                        反应 0.25h,
                                                                                                                以10 mg的产率得到Acetic acid (1S,4aS,5R,6R,7R,8aS)-7-benzyloxy-6-methoxy-5-methoxymethoxymethyl-4a,5,6,7,8,8a-hexahydro-1H-isochromen-1-ylmethyl ester