2-{(2R,4aR,6S,7S,8S,8aR)-8-Benzyloxy-7-[(2R,4aR,6S,7S,8S,8aR)-8-benzyloxy-7-(4-methoxy-benzyloxy)-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy]-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxymethyl}-benzoic acid benzyl ester                                                                                                                                                              在
                                                                                                                                                                                 
水   、                                                                                                  
2,3-二氯-5,6-二氰基-1,4-苯醌                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 9.0h,
                                                                                                                以83%的产率得到2-[(2R,4aR,6S,7S,8S,8aR)-8-Benzyloxy-7-((2R,4aR,6S,7S,8R,8aR)-8-benzyloxy-7-hydroxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy)-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxymethyl]-benzoic acid benzyl ester