(((2R,3R,4R,5S,6S)-4-(benzyloxy)-6-(((2R,3aS,3a'R,6S,7R,7aR,7'R,7a'S)-7-(benzyloxy)-7'-((4-methoxybenzyl)oxy)octahydro-4H-2,4'-spirobi[[1,3]dioxolo[4,5-c]pyran]-6-yl)oxy)-5-methoxy-2-(methoxymethyl)tetrahydro-2H-pyran-3-yl)oxy)(tert-butyl)dimethylsilane                                                                                                                                                              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 1.0h,
                                                                                                                以85%的产率得到(3aR,3'aS,4R,6'S,7R,7'R,7aS,7'aR)-6'-[(2S,3S,4R,5R,6R)-5-[tert-butyl(dimethyl)silyl]oxy-3-methoxy-6-(methoxymethyl)-4-phenylmethoxyoxan-2-yl]oxy-7'-phenylmethoxyspiro[3a,6,7,7a-tetrahydro-[1,3]dioxolo[4,5-c]pyran-4,2'-4,6,7,7a-tetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran]-7-ol