(3E,5R,6S,7R)-5-benzyloxy-3-chloro-1,2-epoxy-6-hydroxy-7,8-O-isopropylideneocta-3-ene                                                                                                                                                              在
                                                                                                                                                                                 
甲醇   、                                                                                                  
sodium                                                                                                                                  作用下,
                                                                                                                                                                                        反应 48.0h,
                                                                                                                生成                                                 [(2S,3R,6R,4'R)-2,3-dihydro-2-(2',2'-dimethyl-1',3'-dioxolan-4'-yl)-3-benzyloxy-5-chloro-6H-pyran-6-yl]methanol   、                                                                                             
[(2S,3R,6S,4'R)-2,3-dihydro-2-(2',2'-dimethyl-1',3'-dioxolan-4'-yl)-3-benzyloxy-5-chloro-6H-pyran-6-yl]methanol