(2R,4aR,6R,7R,8R,8aS)-6-((2R,3S,4R,5R)-4,5-Dihydroxy-2-hydroxymethyl-6-methoxy-tetrahydro-pyran-3-yloxy)-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxine-7,8-diol                                                                                                                                                              在
                                                                                                                                                                                 
咪唑   、                                                                                                  
碘   、                                                                                                  
三苯基膦                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲苯                                                                                  为溶剂,
                                                                                                                                                    反应 3.0h,
                                                                                                                生成                                                 
(2R,4aR,6R,7R,8R,8aS)-6-((2S,3S,4R,5R)-4,5-Dihydroxy-2-iodomethyl-6-methoxy-tetrahydro-pyran-3-yloxy)-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxine-7,8-diol