2,3:4,5-bis-O-(isopropylidene)-D-fructopyranose aldehyde   、                                                                                      
1-(3-nitrophenyl)-2-(triphenylphosphoranylidene)ethanone                                                                                                                                                                                              以
                                                                                         
氯仿                                                                                  为溶剂,
                                                                                                                                                    反应 2.0h,
                                                                                                                以70%的产率得到(E)-1-(3-Nitro-phenyl)-3-((3aS,5aR,8aR,8bS)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-3a-yl)-propenone